Abu Tahir Firuzshah (), better known by his ''

laqab Arabic names have historically been based on a long naming system. Many people from Arabic-speaking and also non-Arab Muslim countries have not had given name, given, middle name, middle, and family names but rather a chain of names. This system ...

'' of Diya' al-Dawla, was the

Buyid The Buyid dynasty or Buyid Empire was a Zaydi and later Twelver Shi'a dynasty of Daylamite origin. Founded by Imad al-Dawla, they mainly ruled over central and southern Iran and Iraq from 934 to 1062. Coupled with the rise of other Iranian dyna ...

ruler of

Basra Basra () is a port city in Iraq, southern Iraq. It is the capital of the eponymous Basra Governorate, as well as the List of largest cities of Iraq, third largest city in Iraq overall, behind Baghdad and Mosul. Located near the Iran–Iraq bor ...

during the 980s. He was the son of

'Adud al-Dawla Fannā (Panāh) Khusraw (), better known by his laqab of ʿAḍud al-Dawla (; 24 September 936 – 26 March 983) was an emir of the Buyid dynasty, ruling from 949 to 983. At the height of his power, he ruled an empire stretching from Makran ...

History

Abu Tahir Firuzshah was the son of Adud al-Dawla and a daughter of Manadhar, who was a Justanid king. Following 'Adud al-Dawla's death in 983, his possessions were divided between his sons.

Samsam al-Dawla Abu Kalijar Marzuban, also known as Samsam al-Dawla (; c. 963 – December 998) was the Buyid amir of Iraq (983–987), as well as Fars and Kerman (988 or 989 – 998). He was the second son of 'Adud al-Dawla. The Abbasids recognized his success ...

, who was the presumed successor of 'Adud al-Dawla, took power, but

Sharaf al-Dawla Shirdil Abu'l-Fawaris () (c. 960-September 7, 988 or September 6, 989) was the Buyid amir of Kerman and Fars (983-988/9), as well as Iraq (987-988/9). He was the eldest son of 'Adud al-Dawla. Early life When Kerman was conquered by his fath ...

took advantage of his position in

Kerman Kerman (; ) is a city in the Central District (Kerman County), Central District of Kerman County, Kerman province, Kerman province, Iran, serving as capital of the province, the county, and the district. History Kerman was founded as a def ...

to invade Fars. This invasion distracted Samsam al-Dawla and gave Abu Tahir Firuzshah the ability to set up his own independent rule in Basra, where he took the title of ''Diya' al-Dawla''. Diya' al-Dawla, as well as another brother, Taj al-Dawla, who controlled

Khuzestan Khuzestan province () is one of the 31 Provinces of Iran. Located in the southwest of the country, the province borders Iraq and the Persian Gulf, covering an area of . Its capital is the city of Ahvaz. Since 2014, it has been part of Iran's ...

, eventually decided acknowledge the authority of

Fakhr al-Dawla Abu'l-Hasan Ali ibn al-Hasan (), better known by his ''laqab'' of Fakhr al-Dawla (, "Pride of the Dynasty") (died October or November 997) was the Buyid amir of Jibal (976–980, 984–997), Hamadan (984–997) and Gurgan and Tabaristan (984� ...

, who ruled in

Jibal Jibāl (), also al-Jabal (), was the name given by the Arabs to a region and province located in western Iran, under the Umayyad and Abbasid Caliphates. Its name means "the Mountains", being the plural of ''jabal'' ("mountain, hill"), highlight ...

. This was done in an attempt to protect themselves from the conflict between Samsam al-Dawla and Sharaf al-Dawla; Basra and Khuzestan were situated in between the possessions of the two and were therefore vulnerable. Nevertheless, after a few years Sharaf al-Dawla invaded and occupied Basra and Khuzestan, causing the two princes to flee to Fakhr al-Dawla's territory. There they found refuge in Ray. Neither of the two brothers managed to found any lasting line; consequently their role in Buyid politics was short.

References

* {{Buyid dynasty Fars 10th-century monarchs in the Middle East 10th-century Iranian people