1 Samuel 22:4

And he brought them before the king of Moab: and they dwelt with him all the while that David was in the hold.

Cross-reference

1 Samuel 23:1–6 Historical context

1 Samuel 23:1-6 continues David's fugitive narrative — here he delivers Keilah shortly after hiding his parents in Moab.

2 Samuel 23:14 confirms David was in the stronghold, directly parallel to this verse.

1 Chronicles 12:16 describes men coming to David at the stronghold, matching the location here.