Which of the following is known for his piety and memorized the Qur'an by the age of 7: Ahmad Nahavandi or Shah Waliullah Dehlawi?
Ahmad Nahavandi Ahmad ibn Muhammad al-Nahawandi was a Persian astronomer of the 8th and 9th centuries. His name indicates that he was from Nahavand, a city in Iran.
Sunan Gunungjati Sunan Gunungjati (1448 – 19 September 1568) was one of the Wali Songo, or nine saints of Islam revered in Indonesia. He founded the Sultanate of Banten, as well as the Sultanate of Cirebon on the north coast of Java. He was born Syarif Hidayatullah (Arabic: شريف هداية الله‎ ‎ "Sharīf Hidāyah Allāh " in 1448 CE: the child of a dynastic union between Syarif Abdullah Maulana Huda, an Egyptian of Hashemite descent, and Nyai Rara Santang, daughter of the Prabu Siliwangi, King of Sunda ( Pajajaran ). As such, Syarif Hidayatullah could claim descent, on his paternal side, from the Islamic prophet Muhammad, through his daughter, Fatima; and on his mother's side, a Hindu Devaraja of Sunda.