וַיֵּ֣לֶךְ דָּוִ֗ד ה֚וּא וְשֵׁשׁ־מֵא֥וֹת אִישׁ֙ אֲשֶׁ֣ר אִתּ֔וֹ וַיָּבֹ֖אוּ עַד־נַ֣חַל הַבְּשׂ֑וֹר וְהַנּֽוֹתָרִ֖ים עָמָֽדוּ׃
Rashi on I Samuel
Some of them remained behind. When they reached the Nachal Besor, there were among them some who were faint, and some of those remained there.