Jeremiah 41:15 Midrash

וְיִשְׁמָעֵ֣אל בֶּן־נְתַנְיָ֗ה נִמְלַט֙ בִּשְׁמֹנָ֣ה אֲנָשִׁ֔ים מִפְּנֵ֖י יֽוֹחָנָ֑ן וַיֵּ֖לֶךְ אֶל־בְּנֵ֥י עַמּֽוֹן׃ (ס)

But Ishmael the son of Nethaniah escaped from Johanan with eight men, and went to the children of Ammon. .

Read midrashic interpretation of Jeremiah 41:15: and classical rabbinic exegesis.