2 Samuel 4:7

4:7 They had entered the house while Ish-bosheth was resting on his bed in his bedroom. They mortally wounded him and then cut off his head. Taking his head, they traveled on the way of the Arabah all that night.

2 Samuel 14:26

14:26 When he would shave his head – at the end of every year he used to shave his head, for it grew too long and he would shave it – he used to weigh the hair of his head at three pounds according to the king’s weight.