Bible Verses About Patriarchal Government: Arbitrarily disinheriting and putting away servants and children

So Abraham rose up in the morning, and taking bread and a bottle of water, put it upon her shoulder, and delivered the boy, and sent her away. And she departed, and wandered in the wilderness of Bersabee.

Now the sons of Ruben the firstborn of Israel, (for he was his firstborn: but forasmuch as he defiled his father's bed, his first birthright was given to the sons of Joseph the son of Israel, and he was not accounted for the firstborn.