Jeremiah 52:5 Midrash

וַתָּבֹ֥א הָעִ֖יר בַּמָּצ֑וֹר עַ֚ד עַשְׁתֵּ֣י עֶשְׂרֵ֣ה שָׁנָ֔ה לַמֶּ֖לֶךְ צִדְקִיָּֽהוּ׃

So the city was besieged unto the eleventh year of king Zedekiah.

Read midrashic interpretation of Jeremiah 52:5: and classical rabbinic exegesis.