Khadijah bint Khuwaylid or Khadijah al-Kubra (555 AD – 623 AD) was the first wife of Muhammad. Khadijah was the daughter of Khuwaylid ibn Asad and Fatimah bint Za'idah and belonged to the clan of Banu Hashim of the tribe of Banu Asad. Khadijah is widely known as the first person to convert to Islam. It is believed that Khadijah was a Christian before converting to Islam.