# his daughter-in-law

"his oldest son's wife"

# in your father's house

"and live in your father's house" 

# until Shelah, my son, grows up

"and when Shelah, my son, grows up, he can marry you" 

# For he feared, "He might also die, just like his brothers

"For he feared, 'If he marries her he may also die like his brothers did"