It is narrated from Sayyiduna Usama bin Zaid (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "A Muslim cannot be the heir of a disbeliever, nor can a disbeliever be the heir of a Muslim."
Hadith Referenceسنن دارمي / من كتاب الفرائض / 3031