Katianna Stoermer Coleman is best known as one of Zendaya’s older half-sisters. Within the family, she is also known by the nickname “Kizzi.” Unlike Zendaya, however, Katianna has never built a public career in acting, music, fashion, or social media.
This difference is important because there is much less reliable information about Katianna than many online biographies suggest. Some websites publish exact ages, careers, net worth figures, and other personal details without showing where those claims came from. The stronger public record gives a much simpler picture: Katianna is part of Zendaya’s large family, she has children of her own, and she has chosen to keep most of her life away from public attention.
Quick Facts About Katianna Stoermer Coleman
| Detail | What is publicly supported |
|---|---|
| Full name | Katianna Stoermer Coleman |
| Nickname | Kizzi |
| Known for | Being Zendaya’s older half-sister |
| Father | Kazembe Ajamu Coleman |
| Mother | Not publicly identified in the reliable sources reviewed |
| Siblings | Annabella, Kaylee, Austin, Julien, and half-sister Zendaya |
| Age / birth date | Not publicly confirmed |
| Profession | Not publicly confirmed |
| Marital status | Married, according to current People reporting |
| Children | Three daughters, according to People in 2026 |
| Public social media | No widely verified public account |
| Net worth | No reliable public figure available |
Who Is Katianna Stoermer Coleman?
Katianna Stoermer Coleman is one of the five older children of Kazembe Ajamu Coleman, Zendaya’s father. In August 2026, People reported that Zendaya is the only child Kazembe shares with Claire Stoermer. Kazembe had five older children from a previous relationship: Katianna, Annabella, Kaylee, Austin, and Julien.
This means Katianna is Zendaya’s older half-sister.
Katianna is often described online as a “celebrity sibling,” but that description can create the wrong impression. She is not known for having her own public entertainment career, and there is no strong evidence that she has tried to become a celebrity herself. Most public interest in Katianna comes from people who want to learn more about Zendaya’s family and the people who influenced her while she was growing up.
Katianna Stoermer Coleman’s Age Is Not Confirmed
One of the most common questions about Katianna Stoermer Coleman is her age, but there is no reliable public answer.
Several biography websites give specific birth years, yet those dates do not agree with each other. For example, ArticleBio lists 2003, while other websites have published 1999 and different earlier dates. More careful recent coverage points out that there is no reliable primary source confirming Katianna’s exact date of birth.
What can be said with confidence is that Katianna is older than Zendaya, who was born in 1996. Established publications such as People and Seventeen consistently describe Katianna as one of Zendaya’s older siblings.
Because no dependable source reviewed for this article gives a confirmed birth date, it would be misleading to assign Katianna a specific age in 2026.
This is also one of the biggest weaknesses found in many competing biographies. An exact age may look helpful in a quick-facts table, but it is better to say that the information is unknown than to repeat a date that may have started on an unsourced celebrity website.
Family Background and Her Connection to Zendaya
Zendaya has spoken many times about the importance of her family and the influence her older siblings had on her life.
In a 2015 interview with TIME, Zendaya said that some of her biggest role models were members of her own family, including her parents and her “big sister.” She explained that her older sister had helped make her a better person and that growing up in a large and grounded family became even more meaningful to her as she got older.
That particular TIME interview did not name the sister directly. However, later family profiles from publications such as People and Seventeen have connected Katianna, who is known as Kizzi, with this wider older-sister influence in Zendaya’s life.
A 2019 Vogue profile gives one of the clearest firsthand glimpses of Kizzi and her family. During the interview, Zendaya was helping with school pickup for two of Kizzi’s daughters, Imani and Isys. Kizzi also spoke to Vogue about growing up in Oakland and about the social awareness that came from being raised there.
This Vogue profile is especially useful because Kizzi was actually part of the reporting. It gives readers something stronger than information simply copied from one celebrity biography website to another.
More recent reporting also adds to the family picture. In August 2026, People described Katianna as a mother of three daughters. Earlier Vogue reporting in 2019 had focused on two of her daughters, Imani and Isys.
What Does Katianna Stoermer Coleman Do for a Living?
Katianna Stoermer Coleman’s career is another subject where online biographies often sound more certain than the available evidence allows.
Her profession has not been publicly confirmed. There is no reliable evidence showing that she works as an actress, singer, model, influencer, or entertainment professional. Established family profiles usually focus on her relationship with Zendaya and her family life instead of giving her a specific occupation.
Some weaker online profiles go much further and appear to give Katianna entertainment credits that actually belong to Zendaya. These include references to Disney Channel work and Euphoria. One indexed profile has even presented those credits as Katianna’s own, even though they are clearly associated with Zendaya.
This shows why repeating information simply because it appears on multiple websites can be risky.
Katianna may have a professional career outside the public eye, but there is no strong evidence showing what that career is. For that reason, the most accurate description is that her occupation is not publicly confirmed.
For comparison, some celebrity siblings have careers that can be independently documented through professional or institutional sources. NextFlightMagazine’s profile of Arabella Gibbins, Florence Pugh’s older sister, is an example of a sibling whose professional background can be followed through public career information.
Marriage, Children, and Private Life
More is known about Katianna’s family life than about her professional life, although the available information is still limited.
According to People in 2026, Katianna is married and has three daughters. Earlier reporting from Vogue in 2019 showed Zendaya spending time with two of Kizzi’s daughters, Imani and Isys.
Beyond these basic details, reliable public sources do not provide a complete biography of Katianna’s husband, a confirmed wedding date, or a detailed account of her everyday family life.
Her private lifestyle also fits the general pattern of Zendaya’s older siblings. People has noted that Zendaya’s five older siblings mostly keep their lives outside the public spotlight.
This helps explain why Katianna receives a noticeable amount of online search interest while still having very little dependable biographical information available. She is connected to one of the world’s most famous actresses, but she has not chosen the same kind of public life.
Does Katianna Stoermer Coleman Have Social Media?
There is no widely verified public Instagram, TikTok, X, or other major social media account belonging to Katianna Stoermer Coleman.
Seventeen has also reported that Kizzi does not have public social media accounts.
This makes it especially important to be careful with profiles using her name. Search results may include fan accounts, unofficial pages, reused family photographs, or accounts belonging to completely different people. Unless an account can be independently verified, it should not automatically be treated as Katianna’s official profile.
The same caution should be used with photographs. Some biography websites attach Katianna’s name to pictures from Zendaya’s public appearances even when coverage of the original event identifies the person in the image differently.
For that reason, photographs should not be used as proof of Katianna’s identity unless the original image caption or another dependable source clearly confirms who is shown.
Why Is There So Much Incorrect Information About Katianna?
Katianna Stoermer Coleman is a good example of how inaccurate celebrity-family information can spread online.
People search for her name because of her connection to Zendaya. Websites want to provide complete-looking biographies, but there are only a limited number of verified facts available. As a result, some publishers fill those gaps with estimated ages, unsupported careers, questionable net worth figures, and personal details that cannot be traced back to reliable sources.
Once one website publishes a claim, another site may copy it. After the same information appears several times, it can begin to look like an established fact even when there was never a trustworthy original source.
The competing pages reviewed for this biography show this problem clearly. One website gives Katianna a 2003 birth year while also presenting family details that conflict with stronger reporting. Other newer biographies spend considerable time explaining that older claims about her age and career cannot actually be verified.
The most dependable sources tell a simpler story. Katianna is one of Zendaya’s five older half-siblings, she is known by the nickname Kizzi, and current reporting says she is married and has three daughters.
Her exact birthday, age, profession, education, and net worth are not reliably established in the public information reviewed for this article.
That may make this biography look less detailed than some celebrity pages, but it is more useful for readers who want information that can actually be supported.
Frequently Asked Questions
How old is Katianna Stoermer Coleman?
Katianna’s exact age has not been publicly confirmed. Different websites publish different birth years, so there is no reliable basis for giving her a specific age in 2026. What is clearly supported is that she is older than Zendaya.
Is Katianna Stoermer Coleman Zendaya’s full sister?
No. Katianna is Zendaya’s older half-sister through their father, Kazembe Ajamu Coleman. Zendaya is the only child Kazembe Ajamu Coleman and Claire Stoermer have together.
What does Katianna Stoermer Coleman do for a living?
Her profession has not been reliably reported. There is no verified evidence showing that she has a public career in acting, music, modeling, or entertainment.
Is Katianna Stoermer Coleman married?
Yes. Current reporting from People describes Katianna as married. However, reliable mainstream sources provide very little confirmed information about her husband.
Does Katianna Stoermer Coleman have children?
Yes. People reported in 2026 that Katianna and her husband have three daughters. A 2019 Vogue profile had previously shown Zendaya spending time with two of Kizzi’s daughters, Imani and Isys.
Is Katianna Stoermer Coleman on Instagram?
There is no widely verified public Instagram account known to belong to Katianna. Accounts using her name should therefore be treated carefully unless their ownership can be independently confirmed.
How This Was Researched
I researched this biography by checking current 2026 family reporting from People, Zendaya’s interviews and profiles in TIME and Vogue, and family coverage published by Seventeen. I also reviewed several biography pages ranking for Katianna Stoermer Coleman and found repeated conflicts involving her birth year, career, family details, and even the identification of photographs. Where a claim could not be supported by stronger reporting, I left it unconfirmed instead of guessing. The goal was to give readers a clearer and more reliable picture than articles that simply repeat the same unsourced details.
Accuracy Note
This biography is based on publicly available information, including interviews, mainstream entertainment reporting, and current family profiles. Because Katianna keeps most of her life private, some details may remain unavailable or may change over time. If you notice anything outdated or incorrect, please let us know so the article can be updated.
Written and researched by Hassan, contributor at NextFlightMagazine.
Written by Hassan, founder and editor of NTX Magazine — an independent news and biography publication. Every article is researched and cross-checked against multiple public sources before publishing; see our Sourcing Standards page for details.