1CH 12:20

20 And there defected some of Menasheh to Dovid, when he went with the Pelishtim [(Philistines)] against Sha'ul for milchamah, but they helped them not; for the rulers of the Pelishtim after etzah [(counsel)] sent him away, saying, He will defect to his adon Sha'ul to the jeopardy of our heads.