Over the past year or so it came to light that Muhammad as a 50 year old man got engaged to 6-year-old Aisha. When he was 53 or 54 he married 9 year old Aisha.Muslims were frantic trying to defend their prophet marrying a prepubescent child.
They responded by saying Rebecca was only 3 years old when Isaac met her. Of course that is false after reviewing the text and Sam does a nice job of explaining it:
Steve M