Hildeprand was the Duke of Spoleto from 774 to 789.

When Theodicius of Spoleto

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,...

 died fighting at the Siege of Pavia

Siege of Pavia

The Siege or Battle of Pavia was fought in 773–774 in what is now northern Italy, near Ticinum , and resulted the victory of Franks under Charlemagne against the Lombards under king Desiderius.-Background:...

 in 774, the Lombards

Lombards

The Lombards , also referred to as Longobards, were a Germanic tribe of Scandinavian origin, who from 568 to 774 ruled a Kingdom in Italy...

 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...

 elected Hildeprand their duke and quickly submitted to the Franks

Franks

The Franks were a confederation of Germanic tribes first attested in the third century AD as living north and east of the Lower Rhine River. From the third to fifth centuries some Franks raided Roman territory while other Franks joined the Roman troops in Gaul. Only the Salian Franks formed a...

. Hildeprand fled to Rome

Rome

Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...

 before the Frankish host and did homage to Pope Hadrian I

Pope Adrian I

Pope Adrian was pope from February 1, 772 to December 25, 795. He was the son of Theodore, a Roman nobleman.Shortly after Adrian's accession the territory ruled by the papacy was invaded by Desiderius, king of the Lombards, and Adrian was compelled to seek the assistance of the Frankish king...

. However, the dispute between Charlemagne

Charlemagne

Charlemagne was King of the Franks from 768 and Emperor of the Romans from 800 to his death in 814. He expanded the Frankish kingdom into an empire that incorporated much of Western and Central Europe. During his reign, he conquered Italy and was crowned by Pope Leo III on 25 December 800...

 and Hadrian as to who had the proper suzerainty over Spoleto was solved in the Frank's favour over the next few years.