Yahya ibn Ismail ibn Yahya, known by the

regnal name A regnal name, regnant name, or reign name is the name used by monarchs and popes during their reigns and subsequently, historically. Since ancient times, some monarchs have chosen to use a different name from their original name when they accede ...

al-Qadir bi-llah (died 28 October 1092) was the Dhulnunid ruler of the

Taifa of Toledo The Taifa of Toledo () was an Islamic polity (''taifa'') located in the centre of the Iberian Peninsula in the High Middle Ages. It was ruled by the Dhulnunids, a Hawwara Berber clan. It emerged after 1018 upon the fracturing of the Caliphate of ...

in Spain between 1075 until the fall of Toledo in 1085 and of the

Taifa of Valencia The Taifa of Valencia () was a medieval Muslim kingdom which existed in and around Valencia, Spain. It gained independence from the Caliphate of Córdoba circa 1010 and became its own small kingdom, or ''Taifa'', for most of the 11th century. It ...

from 1086 until his death.

Biography

He succeeded his grandfather

al-Mamun Abū al-ʿAbbās Abd Allāh ibn Hārūn al-Maʾmūn (; 14 September 786 – 9 August 833), better known by his regnal name al-Ma'mun (), was the seventh Abbasid caliph, who reigned from 813 until his death in 833. His leadership was marked by t ...

when he was assassinated in 1075. In 1079 Toledo revolted and the ruler of the

Taifa of Badajoz The Taifa of Badajoz (from ) was a medieval Islamic Moorish kingdom located in what is now parts of Portugal and Spain. It was centred on the city of Badajoz which exists today as the first city of Extremadura, in Spain.Alfonso VI of León and Castile Alfonso VI (1 July 1109), nicknamed the Brave (''El Bravo'') or the Valiant, was king of Kingdom of León, León (10651109), Kingdom of Galicia, Galicia (10711109), and Kingdom of Castile, Castile (10721109). After the conquest of Toledo, Spai ...

who came to his aid, enabling him to retake the city on 25 May 1085 as his vassal. Al-Qadir also had designs on the

, although he had to counter the ambitions of the ruler of the

Taifa of Zaragoza The taifa of Zaragoza () was an independent Arab Muslim state in the east of Al-Andalus (present-day Spain) with its capital in Saraqusta (Zaragoza) city. It was established in the early 11th century as one of the many Taifa kingdoms that foll ...

Yusuf al-Mu'taman ibn Hud Abu Amir Yusuf ibn Ahmad ibn Hud (; died ), more commonly known as al-Mu'taman, was a mathematician, and also one of the kings of the Taifa of Zaragoza. The name al-Mu'taman is itself a shortening of his full regnal name al-Mu'taman Billah (). A ...

. Once again Alfonso VI sent troops, under the command of

Álvar Fáñez Álvar Fáñez (or Háñez; died April 1114) was a Leonese nobleman and military leader under Alfonso VI of León and Castile, becoming the nearly independent ruler of Kingdom of Toledo (Crown of Castile), Toledo under Urraca of León and Castile, ...

to support him. In return, in 1086 Alfonso VI required his vassal to confront the

Almoravids The Almoravid dynasty () was a Berber Muslim dynasty centered in the territory of present-day Morocco. It established an empire that stretched over the western Maghreb and Al-Andalus, starting in the 1050s and lasting until its fall to the Almo ...

at the

battle of Sagrajas The Battle of Sagrajas (23 October 1086), also called Zalaca or Zallaqah (), was a conflict fought in 1086 between the Almoravid dynasty, Almoravid army, led by their king, Yusuf ibn Tashfin, and the forces of King Alfonso VI of León and Cas ...

. In 1092, a popular revolt instigated by the qadi Ibn Yahhaf with the support of a pro-Almoravid faction in the city deposed al-Qadir and executed him on 28 October of that year.

References

{{DEFAULTSORT:Yahya al-Qadir 1092 deaths Year of birth unknown Taifa of Toledo History of Valencia 11th-century monarchs in Al-Andalus