Kealia Ohai and J.J. Watt were introduced through Kealia's brother-in-law Brian Cushing and began dating in early 2016. They became engaged in May 2019 and were married on February 15, 2020, in the Bahamas. The couple welcomed their first son, Koa James Watt, on October 23, 2022, and their second son, Niko Benjamin Watt, on June 14, 2025. As of June 2026 they remain married.
- How they met
- They were introduced through Kealia's brother-in-law, former Texans teammate Brian Cushing. They had known one another for years as friends and began dating in early 2016.
- Children
- Two sons: Koa James Watt (born 2022-10-23) and Niko Benjamin Watt (born 2025-06-14).