MAQAM (grave not certain; a visitation tradition). Near the Hz. Ömer Mosque in Sur, Diyarbakır, attributed to Sultan Shuja al-Din, named among the Companions in the 1801-1802 Salname. The present structure dates to the Artuqid period (c. 1208-09); the Companion attribution is disputed; the actual grave is not certain. (Sources: Diyarbakır Salname 1801-1802; M. Ali Abakay, TYB)