Question: are broly and vegeta related?
Answer: The older man is the one who raised Broly after the boy was exiled by King Vegeta, and Broly caps his lineage as of right now. As for Vegeta, his tree is a bit more complicated. The fighter is the son of King Vegeta, the former ruler of the Saiyan race. The boy went on to marry Bulma, and the pair have two children.