Caliph Al-Hasan ibn ‘Ali is the grandson of which Islamic prophet?
Mujtaba Al-Mujtaba (Arabic: اَلْـمُـجْـتَـبَى‎ ‎ ) is an Arabic word which means "The Selected One" or "The Chosen One among many." It is a title of the Islamic "Nabi" (Arabic: نَـبِي‎ ‎ , Prophet) Muhammad, and his grandson, the Caliph Al-Hasan ibn ‘Ali.
Zayd ibn Harithah Zayd ibn Harithah (Arabic: زيد بن حارثة‎ ‎ ) (c. 581 – 629 CE) was a companion of Muhammad who was at one stage regarded as his (adoptive) son. He is the only Muslim apart from Muhammad who is mentioned by name in the Qur'an ().