Reference for I Samuel 29:1

וַיִּקְבְּצ֧וּ פְלִשְׁתִּ֛ים אֶת־כָּל־מַחֲנֵיהֶ֖ם אֲפֵ֑קָה וְיִשְׂרָאֵ֣ל חֹנִ֔ים בַּעַ֖יִן אֲשֶׁ֥ר בְּיִזְרְעֶֽאל׃

Now the Philistines gathered together all their hosts to Aphek; and the Israelites pitched by the fountain which is in Jezreel.