Contradiction with Genesis 11:30
Sarai was barren; she had no child, contrasting with Job 1:2 mentioning Job's children.
Genesis 11:30: But Sarai was barren; she [had] no child.
Contradiction with 1 Samuel 1:5
But unto Hannah he gave a worthy portion; for he loved Hannah: but the Lord had shut up her womb, contrasting with the birth of many children in Job 1:2.
1 Samuel 1:5: But unto Hannah he gave a worthy portion; for he loved Hannah: but the LORD had shut up her womb. [worthy: or, double]
Contradiction with Judges 13:2
And there was a certain man of Zorah, of the family of the Danites, whose name was Manoah; and his wife was barren, and bare not, contrasting with Job having many children in Job 1:2.
Judges 13:2: And there was a certain man of Zorah, of the family of the Danites, whose name [was] Manoah; and his wife [was] barren, and bare not.