Melachim Bais 20:20-21

Orthodox Jewish Bible

²⁰ And the rest of the acts of Chizkiyahu, and all his gevurah, and how he made HaBerekhah (the Pool) and the Te’alah (Tunnel), and brought mayim into the city, are they not written in the Sefer Divrei HaYamim of the Melachim of Yehudah?

²¹ And Chizkiyahu slept with his avot; and Menasheh bno reigned in his place.