Bible Quiz The Bible Quiz - Who was the father-in-law of Yitzchak (Isaac)? Topic Q 326 Question 1 of 1 Toldot Score of 60 Who was the father-in-law of Yitzchak (Isaac)? Goliat HaPlishti ((Goliath the Philistine) Haman the Agagi (Agagite) Potiphar the Mitzri (Egyptian) Betuel the Arami (Bethuel the Aramean) Menu Click For Source Bereishit 25:20 101 people have so far answered this question That is correct13.9% of people got this wrong. That is not correctOnly 86.1% of people got it right.