Nancient rome, which family member had the most authority?

The Pater Familias, or the male head of the family usually had the most control.

In Ancient Rome the families were mostly Patrioark (I can't Spell) so it was usually the head Male.

They wanted to make slaves out of them.they wanted force them to move off their landthey wanted to make them grow crops for very little pay.they refused to speak native american languages