Maliks Muwatta Book 27, Hadith Number 10.
Section : Inheritance from People of Other Religions.
Yahya related to me from Malik from Ibn Shihab from Ali ibn Husayn ibn Ali from Umar ibn Uthman ibn Affan from Usama ibn Zayd that the Messenger of Allah, may Allah bless him and grant him peace, said, “A muslim does not inherit from a kafir.”