 isa bin musa bin muhammad bin ali bin abdullah bin abbas he was the crown prince of his uncle almansur then he made him after his son almahdi then almahdi deposed him completely.
عيسى بن موسى بن محمد بن علي بن عبد الله بن العباس كان ولي عهد المنصور عمه ثم صيره بعد ابنه المهدي، ثم خلعه المهدي جملة.