Al-Hasan ibn Mahbub narrated from Sa'd ibn Abi Khalaf from Abu Al-Hasan Imam Musa ibn Jafar Al-Kadhim عليه السلام who said: I asked Imam عليه السلام about the inheritance share of the daughters of a daughter and a grandfather. Imam عليه السلام replied: "The grandfather receives one-sixth, and the remainder goes to the daughters of the daughter."