'Son in law' in the Bible

Then the Philistines said, "Who has done this?" They said, "Samson, the son-in-law of the Timnite, because he has taken his wife, and given her to his companion." The Philistines came up, and burnt her and her father with fire.

It happened on the fourth day, that they arose early in the morning, and he rose up to depart: and the young lady's father said to his son-in-law, "Refresh yourself with a piece of bread, and after that you may go."

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

Saul said, I will give her to him, that she may be a snare to him, and that the hand of the Philistines may be against him. Therefore Saul said to David, "You shall this day be my son-in-law a second time."

Saul commanded his servants, "Talk with David secretly, and say, 'Behold, the king has delight in you, and all his servants love you: now therefore be the king's son-in-law.'"

Saul's servants spoke those words in the ears of David. David said, "Does it seems to you a light thing to be 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 well to be the king's son-in-law. The days were not expired;

and David arose and went, he and his men, and killed of the Philistines one hundred men; and David brought their foreskins, and they gave them in full number to the king, that he might be the king's son-in-law. Saul gave him Michal his daughter as wife.

Then Ahimelech answered the king, and said, "Who among all your servants is so faithful as David, who is the king's son-in-law, and is taken into your council, and is honorable in your house?

He walked in the way of the house of Ahab, and did that which was evil in the sight of the LORD, as did the house of Ahab; for he was the son-in-law of the house of Ahab.

For there were many in Judah sworn to him, because he was the son-in-law of Shecaniah the son of Arah; and his son Jehohanan had taken the daughter of Meshullam the son of Berechiah as wife.

One of the sons of Joiada, the son of Eliashib the high priest, was son-in-law to Sanballat the Horonite: therefore I chased him from me.