Mubariz al-Din Muhammad founder of the Mozaffarid dynasty (rule 1314-1358)

The Muzaffarids are of Arab origin.

Mubariz al-Din Muhammad (Persian: مبارز الدین محمد‎‎), was the founder of the Muzaffarid dynasty, ruling from 1314 to 1358.

[The rise of the thirteen- year- old Mubæriz al- Dün Mu̦ammad to take over his father’s various positions saw the Muzaffarids established among the Ilkhanid elite. The intrigues at the courts of Öljeitü and AbuSaid are well documented and the young Mubæriz al- Dün, cruel, bloodthirsty, and treacherous while at the same time religiously conservative, cultured, and brave, fitted in well. Excelling himself in campaigns against the Sistanis, also known as the Nikudaris (i.e., the Mongol Negüderis),and against the last of the atabegs of Yazd, Mubariz al- Dün had laid the groundwork for his descendants who eventually, after the collapse of the Ilkhanid regime following the death of Abu Said, assumed the governorship of Shiraz] ref: academia.ed Persian Notables and the Families Who Underpinned the Ilkhanate by George Lane

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Mubariz al-Din was born in 1301, he was the son of Sharaf al-Din Muzaffar, an Persian who served the Ilkhanids, and died in 1314. Mubariz al-Din lived at the court of Ilkhanid ruler Öljaitü until the latter's death two years later. After Öljaitü's death, Mubariz al-Din left for Maibud, and in 1319, he captured Yazd from Hajji Shah ibn Yusuf Shah, the Atabeg of Yazd, thus putting an end to the Atabeg rule over Yazd. Some time later, the people of Sistan rebelled against the Ilkhanids, and Mubariz al-Din was ordered to subdue the province, which he did. However, the people of Sistan shortly rebelled, and Mubariz al-Din was once again to forced to fight them; he reportedly fought the rebels in 21 battles until the province was finally subdued.

In the wake of the loss of Ilkhanate authority in central Iran following the death of Abu Sa'id, Mubariz al-Din continued to carry out his expansionary policy, and declared independence from the Ilkhanids. In 1339 or 1340 he invaded the province of Kirman and seized it from its Mongol governor, Kutb al-Din ibn Nasir. Kutb al-Din was able to retake the province for a short time after receiving aid from the Kartid dynasty of Herat, but Mubariz al-Din permanently gained control of Kirman in late 1340. The city of Bam was besieged and conquered a few years after this.

After the conquest of Kirman, Mubariz al-Din became a rival of the neighboring Injuids, who controlled Shiraz and Isfahan. Although the Muzaffarids and Injuids had traditionally been on friendly terms with one another, the Injuid Abu Esshaq's desire to gain Kirman led him to start a drawn-out conflict with the Muzaffarids in 1347. He unsuccessfully besieged Yazd (1350–1351), after which his fortunes declined rapidly. During the same year, he sent an army to Kirman, which was defeated by Mubariz al-Din.

In 1353, Mubariz al-Din captured Shiraz from Abu Esshaq. Abu Esshaq, however, managed to escape from Shiraz and fled to Isfahan, but Mubariz al-Din pursued him, took the city and executed the Injuid ruler. Fars and western Iran were now under his control.

With the destruction of Injuid authority, the Muzaffarids were the strongest power in central Iran, and Shiraz was made their capital. Mubariz al-Din's strength was such that when the khan of the Golden Horde, Jani Beg, sent an offer to become his vassal, he was able to decline. In fact, he pushed on into Azerbaijan, which Jani Beg had conquered in 1357. He defeated the khan's governor Akhichuq and occupied Tabriz, but realized that he could not hold his position against the Jalayirid troops marching from Baghdad and soon retreated. The Jalayirids would therefore maintain a hold on Tabriz, despite further attempts by the Muzaffarids to take it.

[... The Mozaffarid conquest of Isfahan came on the eve of a major political change in Azerbaijan, which hitherto had been under the rule of Malek Ašraf Čobāni. In 758/1357 the Jochid Jāni Beg Khan invaded from the lands of the Golden Horde (Dašt-e Qefpāq) and conquered Tabriz. He installed his son Berdi Beg and returned to the steppe. However, Jāni Beg died soon afterward, and Berdi Beg was obliged to return to the Jochid lands. The consequence was a power vacuum in Azerbaijan. In these circumstances, Mobārez-al-Din Moḥammad led his armies to Azerbaijan and conquered the seat of Il-khanid authority, a significant symbolic achievement. The Mozaffarid rule in Tabriz was short-lived, however, since Mobārez-al-Din soon abandoned the city when he received word that the Jalayerid Shaikh Oways (r. 1356-74), who had recently succeeded his father in Baghdad, was on his way with an army to Tabriz. According to some sources, Mobārez-al-Din considered Shaikh Oways’s advance as a fulfillment of an omen he had received from his astrologers, foretelling his demise by a young Turk. Soon after returning to Isfahan in 760/1359, Mobārez-al-Din Moḥammad was seized and blinded by a coalition of his sons, Shah Šojāʿ and Shah Maḥmud, and his cousin, Shah Solṭān. The brothers’ actions seem to have been prompted by fears that Mobārez-al-Din was favoring his grandson, Shah Yaḥyā b. Shah Moẓaffar, and the resentment felt by the brothers after their father treated them harshly after they had indulged in frivolity during the Azerbaijan campaign. They blinded and imprisoned Mobārez-al-Din Ramażān (760/1359) at Ṭabarak fortress, and divided the realm among themselves .] ref:iranicaonline.org (see in docts to read in MEDIA)

Mubariz al-Din was known as a cruel ruler, and soon afterwards in 1358, his son Shah Shuja blinded and imprisoned him. A temporary reconciliation was reached, but it failed to last and he died, again in prison, in 1363.