וְהַנִּשְׁאָרִ֣ים בָּכֶ֗ם יִמַּ֙קּוּ֙ בַּֽעֲוֺנָ֔ם בְּאַרְצֹ֖ת אֹיְבֵיכֶ֑ם וְאַ֛ף בַּעֲוֺנֹ֥ת אֲבֹתָ֖ם אִתָּ֥ם יִמָּֽקּוּ׃
און די געבליבענע פֿון אײַך װעלן אײַנגײן פֿאַר זײער זינד אין די לענדער פֿון אײַערע פײַנט; און אױך פֿאַר די זינד פֿון זײערע עלטערן װעלן זײ אײַנגײן אַזױ װי יענע.
Bartenura
נמקו – to be rotted and decayed, such as (Leviticus 26:39): “they shall be heartsick [over the iniquities of their fathers].”
Ibn Ezra
a sign from God , reminding you of your rebellion against Him. Not only shall the sign be against you, but it shall also be against your descendants (as in “our fathers have sinned, and are no more…” [Lamentations 5: 7]), as I have elsewhere mentioned [cf. comment on Leviticus 26: 39].