Why were the Ancient Romans always exchanging their daughters for marriage?
Sulla gave Pompey his daughter for marriage. Then they divorced
Then, Pompey took Caesar's daughter for a wife.
Caesar took Sulla's grand-daughter for a wife.
Caesar earlier married the daughter of Cinna, Marius's co-counsel.
Earlier we saw this sort of running around with the Scipio and Gracchi family.
Later you see it with the Julio-Claudians.
Why is this? Why were they always handing out their daughters to each other?
Certainly not all families and people were like this.