en_tn/2ki/15/37.md

In those days

This refers to a time period. What time period this refers to can be stated clearly. Alternate translation: "During that time" or "While Jotham was king of Judah" (See: rc://en/ta/man/translate/figs-explicit)

Rezin

This is a man's name. (See: rc://en/ta/man/translate/translate-names)

Pekah ... Remaliah

These are men's names. Pekah was the king of Israel. See how you translated them in 2 Kings 15:37. (See: rc://en/ta/man/translate/translate-names)