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Abu Yaqub Yusuf an-Nasr

Abu Yaqub Yusuf an-Nasr
Sultan of Morocco
Amīr al-Muslimīn
Flag of Morocco 1258 1659.svg
Reign 1286 – 1307
Born (unknown)
Died Tlemcen, 1307
Full name
Abū Yaʿqūb Yūsuf ibn Yaʿqūb al-Marīni
Dynasty Banū Marīn
Father Abū Yūsuf Yaʿqūb ibn ʿAbd al-Ḥaqq
Full name
Abū Yaʿqūb Yūsuf ibn Yaʿqūb al-Marīni

Abu Yaqub Yusuf an-Nasr (أَبُو يُوسُف يَعقُوب الناصر abū yūsuf ya`qūb an-nāṣr) (died 13 May 1307) was a Marinid ruler of Morocco. He was the son of Abu Yusuf Ya'qub, whom he succeeded in 1286. He was assassinated in 1307.

Abu Yaqub Yusuf succeeded his father Abu Yusuf Ya'qub in March 1286, shortly after the latter's expedition to Spain and peace treaty with Sancho IV of Castile. The accession was contested by several of his relatives, including his brother, some of whom were backed by and received protection from the Abdalwadid rulers of the Kingdom of Tlemcen. In response to this threat, one of Abu Yaqub's first acts was to reach agreement on a fresh treaty with the Nasrid ruler Muhammad II of Granada, ceding all Marinid possessions in Spain, with the exception of Algeciras, Tarifa, Ronda and Guadix. (Although Guadix would pass over to the Granada later in 1288).

In November 1288, Abu Yaqub's own son Abu Amir, hatched a conspiracy to depose him. The plot was soon discovered and stopped, but Abu Amir and his advisers took refuge in the court of the Abdalwadid ruler Abu Said Othman of Tlemcen. Abu Yaqub was soon reconciled with his son, but demanded that his fellow conspirators be handed over for justice. Othman refused to release them. A Marinid fleet blockaded Tlemcen through much of 1290, but to little effect.

In 1291, the truce with Sancho IV of Castile expired, so hostilities in Spain were renewed. While Abu Yaqub was busy against Tlemcen, Sancho IV conspired with the Nasrid sultan Muhammad II of Granada to seize the three remaining Marinid citadels in Spain - Tarifa, Algeciras and Ronda - for themselves. With Granadine assistance, the Marinid citadel of Tarifa fell to Sancho IV in October 1292. But Sancho refused to honour his agreement to hand the citadel over to Granada and instead he decided to keep Tarifa for himself.


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