Conversation so far:
Who was Bert Bell?
Bert Bell was the National Football League commissioner from 1946 until his death in 1959.
Did Bert Bell become the owner of the team in Philadelphia?
Bert Bell was an assistant coach for the Temple Owls and a co-founder and co-owner of the Philadelphia Eagles.
Did Philadelphia Eagles win any games?
Yes
Did Bert Bell move to any other teams?
Yes, Pittsburgh Steelers.
Did Bert Bell do anything else interesting?
Bert Bell was worried the repercussions from this event would lead to his firing.
Did Bert Bell win any more games?

Question: How many kids he had?
Self-contained rewrite: How many kids did Bert Bell have?