# They lived

"His descendants settled"

# from Havilah to Ashhur

"between Havilah and Ashhur"

# Havilah

Havilah was located somewhere in the Arabian Desert. See how you translated this in Genesis 2:11.

# as one goes toward

"in the direction of"

# They lived in hostility with each other

Possible meanings are 1) "they did not live in peace together," or 2) "they lived away from their other relatives."