Kyoko Chan Cox: Yoko Ono Daughter Age, Everything To Know About
Henry Morales
Published Feb 25, 2026
Kyoko Chan Cox is the daughter of the Japanese multimedia artist and singer, Yoko Ono. Kyoko was a part of a lot of family drama that took place in the 70s between her parents. She was the daughter of Yoko Ono and her then-boyfriend, Tony Cox. When the singer started dating John Lennon, a legal fight broke between the two for the custody of their daughter.
Afterward, Oko married John Lennon and got the full custody of her daughter. However, a bizarre incident occurred as her ex, Tony kidnapped their daughter and fled away. Kyoko was 8 years old at the moment when her father took her away. The topic got a lot of engagement on national and international media. A letter from Yoko was also leaked at the time. However, she did find her mother after more than 15 years and got reunited with her.
Quick Facts: Kyoko Chan Cox: Yoko Ono Daughter Age, Everything To Know About
| Name | Kyoko Chan Cox |
| Birthday | August 8 |
| Age | 57 years |
| Gender | Female |
| Nationality | American |
| Profession | Retired Teacher |
| Parents | Yoko Ono, Anthony Cox |
| Siblings | Sean Lennon |
| Married/Single | Married |
| Husband | Jim Helfrich |
| Children | 2 |
| Education | Walter Reed Middle School |
Happy Birthday John!
Happy Birthday Sean!
Yes, you are my angels. I love you!
yokohttps://— Yoko Ono (@yokoono) October 9, 2020
10 Facts on Kyoko Chan Cox
- Kyoko Chan Cox is the daughter of a Japanese singer and multimedia artist, Yoko Ono.
- Moreover, she is currently 57 years old.
- Kyoko Chan Cox is a married woman at the moment. She tied the knots with Jim Helfrich.
- Her husband, Jim, is a lawyer.
- Also, Kyoko and Jim share two children together. The son’s name is John and the daughter is Emi.
- The family has succeeded to keep and low profile and live the rest of their lives without drama.
- Looking at her recent photos, Kyoko looks tall and quite a bit like her mother.
- Of course, she was the talking point on media during the 70s.
- It’s because she was kidnapped by her father who fled away with her when her parents were in the middle of a legal war for her custody.
- However, she did get reunited with her mother. It took around a couple of decades to do so. Hence, she will always be a part of a uniquely interesting and heartbreaking story.
