Willard Carroll "Trey" Smith III
Willard Carroll "Trey" Smith III was born Nov. 11, 1992. He is Will's oldest son and the only child he shares with his first wife, Sheree Zampino. Though Will and Trey weren't always close, they have repaired their relationship and are tight now. Trey frequently posts pictures on Instagram calling his dad his "guy" and his best friend, and he even posts pictures of Jada calling her his "bonus mom." The actor and musician also is super supportive of his younger siblings, posting pictures of their own career endeavors and talking about how proud he is of them.