1 Samuel 14:21

14:21 Moreover the Hebrews [that] were with the Philistines before that time, which went up with them into the camp [from the country] round about, even they also [turned] to be with the Israelites that [were] with Saul and Jonathan.

1 Samuel 29:2

29:2 And the lords of the Philistines passed on by hundreds, and by thousands: but David and his men passed on in the rereward with Achish.