The neighborhood women started calling him "Naomi's baby boy!" But his real name was Obed. Obed was the father of Jesse, and Jesse the father of David.
This is the family tree of Perez: Perez had Hezron,
Hezron had Ram, Ram had Amminadab,
Amminadab had Nahshon, Nahshon had Salmon,
Salmon had Boaz, Boaz had Obed,
Obed had Jesse, and Jesse had David.