2 Samuel 3:14
And David sent messengers to Ish-bosheth, Saul's son, saying, Deliver me my wife Michal, whom I betrothed to me for a hundred foreskins of the Philistines.
1 Samuel 18:27
and David arose and went, he and his men, and slew of the Philistines two 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. And Saul gave him Michal his daughter to wife.
1 Samuel 18:25
And Saul said, Thus shall ye say to David, The king desireth not any dowry, but a hundred foreskins of the Philistines, to be avenged of the king's enemies. Now Saul thought to make David fall by the hand of the Philistines.
2 Samuel 2:10
Ish-bosheth, Saul's son, was forty years old when he began to reign over Israel, and he reigned two years. But the house of Judah followed David.