: Ishmael was born when Abraham (then Abram) was 86; Isaac was born 14 years later when he was 100.

According to a teaching by , Ishmael is not considered the biological son of " Abraham ," but rather the son of Abram . Suleman posits that Isaac is Abraham's only son because God only addressed him as "Abraham" after the covenant change, which occurred before Isaac's birth. Key Arguments from Apostle Suleman's Teaching

While Suleman’s teaching focuses on the name change and spiritual status, the Bible traditionally records both as sons of the same man:

: While Genesis 22:2 uses "only son," other scriptures like Genesis 25:9 state that "his sons Isaac and Ishmael buried him," acknowledging both as his children.

: He argues that Ishmael was born to Abram , whereas Isaac was born to Abraham . Since God changed Abram's name to Abraham specifically for the covenant of promise, Suleman asserts that Ishmael belongs to the "old" identity and Isaac to the "new".