Gisulf was the Duke of Spoleto from 759 to 761.

In 758, Desiderius

Desiderius

Desiderius was the last king of the Lombard Kingdom of northern Italy...

, after putting down a revolt of the Duke Alboin

Alboin of Spoleto

Alboin was the Lombard Duke of Spoleto from 757 to 758. He was chosen to be duke by the Spoletan nobility without the assent of the king.While Pope Stephen II was working to give the kingdom into the hands of Desiderius, he also worked to give the homage of the Duchies of Benevento and Spoleto to...

, took control of the Duchy of Spoleto

Duchy of Spoleto

The independent Duchy of Spoleto was a Lombard territory founded about 570 in central Italy by the Lombard dux Faroald.- Lombards :The Lombards, a Germanic people, had invaded Italy in 568 and conquered much of it, establishing a Kingdom divided between several dukes dependent on the King, who had...

 until April of the next year, when he appointed Gisulf to govern the duchy in his name. Gisulf reigned until 761, when he died or was deposed. He was replaced sometime between September 762 and March 763 by Theodicius

Theodicius of Spoleto

Theodicius was the Duke of Spoleto from 763 to 773. Though it is often stated that he died at the Siege of Pavia , he was still alive on 9 June 776, when Charlemagne confirmed the properties of the monastery of Farfa and Abbot Ingoald in the reign of his successor Hildeprand.-Sources:*Hodgkin,...

, another follower of Desiderius.

Sources

• Hodgkin, Thomas
  Thomas Hodgkin (historian)
  Thomas Hodgkin , British historian, son of John Hodgkin , barrister and Quaker minister, and Elizabeth Howard ....
  
  . Italy and her Invaders. Clarendon Press: 1895.
• Foundation for Medieval Genealogy: Northern Italy — Spoleto.