# were pregnant by their father

"became pregnant by their father" or "conceived children with their father"

# He became

"He is"

# the Moabites of today

"the Moab people who are now living"

# of today

The word "today" refers to the time when the author of Genesis was living. The author was born and wrote this many years after Lot's family lived and died.

# Ben-Ammi

This is a male name. (See: [[rc://en/ta/man/translate/translate-names]])

# the people of Ammon

"the descendants of Ammon" or "the Ammon people"