Other mosques in the Old City include the Mamluk-era Sayed Hashem Mosque that believed to house the tomb of Hashem ibn Abd al-Manaf in its dome. There is also the nearby Kateb al-Welaya Mosque that dates back to 1334. In Shuja'iyya is the Ibn Uthman Mosque, which was built by Nablus native Ahmad ibn Uthman in 1402, and the Mahkamah Mosque built by Mamluk majordomo Birdibak al-Ashrafi in 1455. In Tuffah is the Ibn Marwan Mosque, which was built in 1324 and houses the tomb of Ali ibn Marwan, a holy man.