Judges 9:34

9:34 So Abimelech and all his men came up at night and set an ambush outside Shechem – they divided into four units.

Judges 19:2

19:2 However, she got angry at him and went home to her father’s house in Bethlehem in Judah. When she had been there four months,

Judges 20:47

20:47 Six hundred survivors turned and ran away to the wilderness, to the cliff of Rimmon. They stayed there four months.