Abu Tahir Firuzshah ( fa, ابو طاهر فیروز شاه), better known by his ''

laqab Arabic language names have historically been based on a long naming system. Many people from the Arabic-speaking and also Muslim countries have not had given/ middle/family names but rather a chain of names. This system remains in use throughout ...

'' of Diya' al-Dawla, was the

Buyid The Buyid dynasty ( fa, آل بویه, Āl-e Būya), also spelled Buwayhid ( ar, البويهية, Al-Buwayhiyyah), was a Shia Iranian dynasty of Daylamite origin, which mainly ruled over Iraq and central and southern Iran from 934 to 1062. Coupl ...

ruler of

Basra Basra ( ar, ٱلْبَصْرَة, al-Baṣrah) is an Iraqi city located on the Shatt al-Arab. It had an estimated population of 1.4 million in 2018. Basra is also Iraq's main port, although it does not have deep water access, which is hand ...

during the 980s. He was the son of

'Adud al-Dawla Fannā (Panāh) Khusraw ( fa, پناه خسرو), better known by his laqab of ʿAḍud al-Dawla ( ar, عضد الدولة, "Pillar of the bbasidDynasty") (September 24, 936 – March 26, 983) was an emir of the Buyid dynasty, ruling from 9 ...

History

Abu Tahir Firuzshah was the son of Adud al-Dawla and a daughter of Manadhar, who was a

Justanid The Justanids or Jostanids ( fa, جستانیان) were an Iranian Zaydi Shia dynasty that ruled a part of Daylam (the mountainous district of Gilan) from 791 to the late 11th century. History The Justanids appear as kings of Daylam at the e ...

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 ( ar, صمصام الدولة, Ṣamṣām al-Dawla, Lion of the Dynasty; c. 963 – December 998) was the Buyid amir of Iraq (983–987), as well as Fars and Kerman (988 or 989 – 998). He w ...

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

Sharaf al-Dawla Shirdil Abu'l-Fawaris ( ar, شيردل أبو الفوارس) (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 Wh ...

took advantage of his position in

Kerman Kerman ( fa, كرمان, Kermân ; also romanization of Persian, romanized as Kermun and Karmana), known in ancient times as the satrapy of Carmania, is the capital city of Kerman Province, Iran. At the 2011 census, its population was 821,394, in ...

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 Abu'l-Husain Ahmad ( fa, ابوالحسین احمد), better known by his ''laqab'' of Taj al-Dawla (Arabic: تاج الدولة،, "Crown of the Dynasty"), was the Buyid ruler of Khuzestan during the 980s. He was the son of 'Adud al-Dawla. Biog ...

, who controlled

Khuzestan Khuzestan Province (also spelled Xuzestan; fa, استان خوزستان ''Ostān-e Xūzestān'') is one of the 31 provinces of Iran. It is in the southwest of the country, bordering Iraq and the Persian Gulf. Its capital is Ahvaz and it covers ...

, eventually decided acknowledge the authority of

Fakhr al-Dawla Abu'l-Hasan Ali ibn al-Hasan ( fa, ابوالحسن علی بن حسن), better known by his ''laqab'' of Fakhr al-Dawla ( ar, 'فخر الدولة, "Pride of the Dynasty") (died October or November 997) was the Buyid amir of Jibal (976–980, 9 ...

, who ruled in

Jibal Jibāl ( ar, جبال), also al-Jabal ( ar, الجبل), 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'' (" ...

. 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 rulers in Asia 10th-century Iranian people