'Son in law' in the Bible

Then the Philistines said, “Who did this?” And they were told, “Samson, the son-in-law of the Timnite, because he took Samson’s wife and gave her to his [chief] companion [at the wedding feast].” So the Philistines came up and burned her and her father with fire.

On the fourth day they got up early in the morning, and the Levite prepared to leave; but the girl’s father said to his son-in-law, “Strengthen yourself with a piece of bread, and afterward go your way.”

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 said, “I will give her to him so that she may become a snare (bad influence, source of trouble) to him, and that the hand of the Philistines may be against him.” So Saul said to David for a second time, “You shall be my son-in-law today.”

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

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

When his servants told David these words, it pleased him to become the king’s son-in-law. Before the time [for the marriage] arrived,

David arose and went, he and his men, and killed two hundred Philistine men, and David brought their foreskins [as proof of death] and presented every one of them to the king, so that he might become the king’s son-in-law. So Saul gave him Michal, his [younger] daughter, as a wife.

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

He walked in the ways of the house of Ahab and did evil in the sight of the Lord, as did the house of Ahab, for 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.

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