Ilyas ibn Mudar

Ilyas ibn Mudar إلياس بن مضر
Family tree showing descent of Muhammad and the Arabian tribes (including Quraysh) from Adnan
Born	Ilyas ibn Mudar ibn Nizar ibn Ma'ad ibn Adnan
Nationality	Arab
Known for	Being the first to sacrifice an animal at the Kaaba Being the first Arab to have died of tuberculosis Being one of the ancestors of the Islamic prophet Muhammad
Spouse	Khindif
Children	Mudrikah, Tabikha and Qam'ah
Relatives	Qays (brother)

Ilyas ibn Mudar (Arabic: إلياس بن مضر) also spelled al-Yas was a pre-Islamic Arabian tribal chief and an ancestor of the Islamic prophet Muhammad. He is the progenitor of the Khindifite tribes, such as the Quraysh. A pioneer of pre-Islamic monotheism, Ilyas ibn Mudar lead a period of religious reform during his rule over the Hijaz to eradicate the worship of idols.