'Father's' in the Bible

Now therefore, please swear to me by the Lord, since I have dealt kindly with you, that you also will deal kindly with my father’s household, and give me a pledge of truth,

unless, when we come into the land, you tie this cord of scarlet thread in the window through which you let us down, and gather to yourself into the house your father and your mother and your brothers and all your father’s household.

However, Rahab the harlot and her father’s household and all she had, Joshua spared; and she has lived in the midst of Israel to this day, for she hid the messengers whom Joshua sent to spy out Jericho.

They came near before Eleazar the priest and before Joshua the son of Nun and before the leaders, saying, “The Lord commanded Moses to give us an inheritance among our brothers.” So according to the command of the Lord he gave them an inheritance among their father’s brothers.

and with him ten chiefs, one chief for each father’s household from each of the tribes of Israel; and each one of them was the head of his father’s household among the thousands of Israel.