Alboin was the Lombard

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...

 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

Pope Stephen II

Pope Stephen II was Pope from 752 to 757, succeeding Pope Zachary following the death of Pope-elect Stephen. Stephen II marks the historical delineation between the Byzantine Papacy and the Frankish Papacy.-Allegiance to Constantinople:...

 was working to give the kingdom into the hands of Desiderius

Desiderius

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

, he also worked to give the homage of the Duchies of Benevento

Duchy of Benevento

The Duchy and later Principality of Benevento was the southernmost Lombard duchy in medieval Italy, centred on Benevento, a city central in the Mezzogiorno. Owing to the Ducatus Romanus of the popes, which cut it off from the rest of Lombard Italy, Benevento was from the first practically...

 and 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...

 to King Pepin the Short of 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...

. Alboin and Liutprand of Benevento

Liutprand of Benevento

Liutprand was the duke of Benevento from the death of his father Gisulf II in 749 until his own deposition. He reigned under the regency of his mother, Scauniperga, who supported King Aistulf, until 756....

 commended their duchies to the Frankish king, who did not ask for it. Desiderius marched on and destroyed Spoleto

Spoleto

Spoleto is an ancient city in the Italian province of Perugia in east central Umbria on a foothill of the Apennines. It is S. of Trevi, N. of Terni, SE of Perugia; SE of Florence; and N of Rome.-History:...

 and Benevento

Benevento

Benevento is a town and comune of Campania, Italy, capital of the province of Benevento, 50 km northeast of Naples. It is situated on a hill 130 m above sea-level at the confluence of the Calore Irpino and Sabato...

 and Alboin was captured; Liutprand fled. Desiderius himself took up the exercise of ducal power in Spoleto.

Sources

• Hallenbeck, Jan T. "Pavia and Rome: The Lombard Monarchy and the Papacy in the Eighth Century." Transactions of the American Philosophical Society, New Ser., Vol. 72, No. 4. (1982), pp. 1–186.