Reference for I Samuel 22:4

וַיַּנְחֵ֕ם אֶת־פְּנֵ֖י מֶ֣לֶךְ מוֹאָ֑ב וַיֵּשְׁב֣וּ עִמּ֔וֹ כָּל־יְמֵ֥י הֱיוֹת־דָּוִ֖ד בַּמְּצוּדָֽה׃ (ס)

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