en_tn/1ch/02/03.md

See: rc://en/ta/man/translate/translate-names

bore him Perez and Zerah

AT: "gave birth to Perez and Zerah"

five sons

AT: "5 sons" (See: rc://en/ta/man/translate/translate-numbers)

in the sight of Yahweh

AT: "according to Yahweh"

Yahweh killed him

This means that Yahweh allowed Er to be killed.

daughter-in-law

in-law** - This is a reference to the wife of his son.