Question: what was the age difference between ishmael and isaac?
Answer: Ishmael (as) was 14 years older than Isaac (as) (Abraham (as) was 86 when Ismael (as) was born and 100 when Isaac (as) was born). According to these verses Ishmael (as) was for at least 14 years 'the only son' of his parents. http://www.quora.com/How-old-was-Ishmael-when-Isaac-was...