Abdallah ibn Buluggin also known as Al-Muzaffar, the conqueror, is the grand-son of Badis ibn Habus. He is the last, Zirid, ruler of the Taifa of Granada

Taifa of Granada

The Taifa of Granada was a Moorish kingdom in Al-Andalus, within the present day Granada Province in southern Spain...

 (1073-1090). The Zirids were of Moroccan, Berber descent.

During his exile in Aghmat

Aghmat

Aghmāt was an important medieval Berber town in southern Morocco which is today an archaeological site known as "Joumâa Aghmat". It is situated approximately 30 km east of Marrakech on the Ourika road...

 Bulughin wrote his memoires and the history of the Zirides in Granada

Granada

Granada is a city and the capital of the province of Granada, in the autonomous community of Andalusia, Spain. Granada is located at the foot of the Sierra Nevada mountains, at the confluence of three rivers, the Beiro, the Darro and the Genil. It sits at an elevation of 738 metres above sea...

. It is called Al-Tibyan an al-haditha al-kaina bi-dawlat Bani Ziri fi Gharnata (An Expositon of the Downfall of the Zirid Dynasty in Granada).