Abu Sa'id Uthman I

Abu Sa'id Uthman I was the son of Yaghmurasen ibn Zyan, the revered founder of the Abdalwadid/Zayyanid Kingdom of Tlemcen. Succeeding his father in 1283, Uthman I consolidated administrative governance, revitalized agriculture in the fertile plains of the Maghreb, and expanded Tlemcen's fortifications.

In 1299, Marinid Sultan Abu Yaqub Yusuf laid siege to Tlemcen with a massive army, constructing the rival siege city of al-Mansourah at its gates. Uthman I organized an extraordinary civic defense, inspiring his people to hold out with unmatched courage for five years until his death in 1304, demonstrating the unbreakable spirit of the Tlemcen kingdom.