'Son in law' in the Bible

Then the two men said to Lot, “Whom else have you here? A son-in-law, and your sons, and your daughters, and whomever you have in the city, bring them out of the place;

Then the Philistines said, “Who did this?” And they said, “Samson, the son-in-law of the Timnite, because he took his wife and gave her to his companion.” So the Philistines came up and burned her and her father with fire.

Now on the fourth day they got up early in the morning, and he prepared to go; and the girl’s father said to his son-in-law, “Sustain yourself with a piece of bread, and afterward you may go.”

But David said to Saul, “Who am I, and what is my life or my father’s family in Israel, that I should be the king’s son-in-law?”

Saul thought, “I will give her to him that she may become a snare to him, and that the hand of the Philistines may be against him.” Therefore Saul said to David, “For a second time you may be my son-in-law today.”

Then Saul commanded his servants, “Speak to David secretly, saying, ‘Behold, the king delights in you, and all his servants love you; now therefore, become the king’s son-in-law.’”

So Saul’s servants spoke these words to David. But David said, “Is it trivial in your sight to become the king’s son-in-law, since I am a poor man and lightly esteemed?”

When his servants told David these words, it pleased David to become the king’s son-in-law. Before the days had expired

David rose up and went, he and his men, and struck down two hundred men among the Philistines. Then David brought their foreskins, and they gave them in full number to the king, that he might become the king’s son-in-law. So Saul gave him Michal his daughter for a wife.

Then Ahimelech answered the king and said, “And who among all your servants is as faithful as David, even the king’s son-in-law, who is captain over your guard, and is honored in your house?

He walked in the way of the house of Ahab and did evil in the sight of the Lord, like the house of Ahab had done, because he was a son-in-law of the house of Ahab.

For many in Judah were bound by oath to him because he was the son-in-law of Shecaniah the son of Arah, and his son Jehohanan had married the daughter of Meshullam the son of Berechiah.

Even one of the sons of Joiada, the son of Eliashib the high priest, was a son-in-law of Sanballat the Horonite, so I drove him away from me.