Well, we know he had at least 3: José Alberto Pérez was born on October 30, 1968; Héctor Jr. was born on September 25, 1969, and a daughter. I know Hector Jr. died at 17 yrs old. I don't know...
Personally, I don't think their is a "magic number" when you suddenly have too many children. It all depends on the family, community and the amount of money that is available for the parents' use. I...