Hadith.5483 - Al-Hasan bin Mahbub narrated from Ali bin Ri'ab, from Zurara, from Abu Jafar Imam Muhammad ibn Ali Al-Baqir (as) regarding a man who bequeathed one-third of his wealth to his paternal uncles and maternal uncles.
Imam (as) said
"Two-thirds are for his paternal uncles, and one-third is for his maternal uncles."