Contradiction with Genesis 16:12
Ishmael was prophesied to live in conflict with his brothers, contradicting Genesis 21:20 where God was with him, suggesting prosperity and support.
Genesis 16:12: And he will be a wild man; his hand [will be] against every man, and every man's hand against him; and he shall dwell in the presence of all his brethren.
Contradiction with Genesis 17:20
God promises to bless Ishmael with twelve princes and make him a great nation, which contrasts the earlier portrayal of his future struggles in Genesis 21:20.
Genesis 17:20: And as for Ishmael, I have heard thee: Behold, I have blessed him, and will make him fruitful, and will multiply him exceedingly; twelve princes shall he beget, and I will make him a great nation.
Contradiction with Genesis 25:18
This verse states that Ishmael's descendants settled in hostility toward their relatives, which opposes the implication of divine favor and success in Genesis 21:20.
Genesis 25:18: And they dwelt from Havilah unto Shur, that [is] before Egypt, as thou goest toward Assyria: [and] he died in the presence of all his brethren. [died: Heb. fell]
Contradiction with Exodus 33:15
In this verse, God’s presence is conditional on obedience, whereas Genesis 21:20 states that God was with Ishmael unconditionally, suggesting a contradiction in God’s favor.
Exodus 33:15: And he said unto him, If thy presence go not [with me], carry us not up hence.
Contradiction with Deuteronomy 28:15
This verse implies that God's support is contingent on obedience to His commandments, contradicting the unconditional support given to Ishmael in Genesis 21:20.
Deuteronomy 28:15: But it shall come to pass, if thou wilt not hearken unto the voice of the LORD thy God, to observe to do all his commandments and his statutes which I command thee this day; that all these curses shall come upon thee, and overtake thee: