Based on the context and the answer, generate a question. 

Context: Oh , there were two others , but we told her not to play them because they were a little too happy for a memorial service . The preacher welcomed everyone and encouraged them to speak a bit about the man who had passed away . Then came some family members : one of his sons ( wow ! he had a lot of children for only being fifty .

Answer:

He started having children at a young age .



What may be the reason why he had so many children at age fifty ?