'Son in law' in the Bible
"Do you have anyone else here in the city?" the angels asked Lot. "A son-in-law? Sons? Daughters? Get them out of this place,
Then the Philistines demanded, "Who did this?" Someone said, "Samson, son-in-law of the Timnite, because his father-in-law took Samson's wife and gave her to the best man at Samson's wedding." In retaliation, the Philistines came up and burned her and her father to death.
And it cometh to pass, on the fourth day, that they rise early in the morning, and he riseth to go, and the father of the young woman saith unto his son-in-law, 'Support thy heart with a morsel of bread, and afterward ye go on.'
David told 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 told himself, "I'll give her to him and she can be a snare to him and the Philistines will harm him." So Saul told David, "For a second time you can be my son-in-law today."
Saul commanded his officials, "Speak with David privately and say, "Look, the king delights in you, and all his officials love you. Now become the king's son-in-law.'"
Saul's officials delivered this message to David, and he asked, "Is becoming the king's son-in-law an unimportant thing to you? I'm a poor and unimportant man."
When his officials delivered this message to David, David decided it would be a good thing to become the king's son-in-law. Before the time was up,
David got up, went out with his men, and struck down 200 Philistine men. David brought their foreskins and gave them all to the king so he could become the king's son-in-law. So Saul gave him his daughter Michal as a wife.
Ahimelech answered the king, "Who among all your officials is as faithful as David? He is the king's son-in-law, the captain of your bodyguard, and he's honored in your household.
Solomon became the son-in-law of Pharaoh, king of Egypt, and took Pharaoh's daughter as his wife, keeping her in the town of David, till the house he was building for himself, and the house of the Lord and the wall round Jerusalem, were complete.
His mother was named Athaliah. She was the granddaughter of Omri, king of Israel. Ahaziah lived his life following the example of Ahab's household, practicing what the LORD considered to be evil, just like the household of Ahab, because he was a son-in-law to Ahab's household.
Now Jehoshaphat had much wealth and honor, and he became son-in-law to Ahab.
For many Judeans had sworn allegiance to him, since he was son-in-law to Arah's son Shecaniah, and his son Jehohanan had married the daughter of Berechiah's son Meshullam.
One of the sons of Eliashib the high priest's son Joiada was a son-in-law to Sanballat the Horonite, so I drove him away from me.
[During this time], while Annas and Caiaphas [Note: This man was Annas' son-in-law. See John 18:13] were head priests, God's message came to John [the Immerser], son of Zacharias, [when he was] in the desert [of Judea].