en_tn/jdg/10/04.md

thirty sons

"30 sons" (See: rc://en/ta/man/translate/translate-numbers)

Havvoth Jair

This is the name of a region, which is named after a man. (See: rc://en/ta/man/translate/translate-names)

to this day

This means to the time when the book of Judges was being written.