Arrival date: July 23 It's… a boy! His name is Knight Jones. Proud papa: The singer's estranged husband, rapper Nas. And baby makes… three. This is their only child together. Birth announcement: Though the former couple has been fighting about child support and baby expenses, Nas was in the waiting room when his son was born. After over 24 hours of labor, Kelis finally gave birth at around 1 a.m.