Suppo I (died 5 March 824) was a Frankish

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...

 nobleman who held lands in the Regnum Italicum in the early ninth century.

In 817, he was made Count of Brescia

Brescia

Brescia is a city and comune in the region of Lombardy in northern Italy. It is situated at the foot of the Alps, between the Mella and the Naviglio, with a population of around 197,000. It is the second largest city in Lombardy, after the capital, Milan...

, Parma

Parma

Parma is a city in the Italian region of Emilia-Romagna famous for its ham, its cheese, its architecture and the fine countryside around it. This is the home of the University of Parma, one of the oldest universities in the world....

, Piacenza

Piacenza

Piacenza is a city and comune in the Emilia-Romagna region of northern Italy. It is the capital of the province of Piacenza...

, Modena

Modena

Modena is a city and comune on the south side of the Po Valley, in the Province of Modena in the Emilia-Romagna region of Italy....

, and Bergamo

Bergamo

Bergamo is a town and comune in Lombardy, Italy, about 40 km northeast of Milan. The comune is home to over 120,000 inhabitants. It is served by the Orio al Serio Airport, which also serves the Province of Bergamo, and to a lesser extent the metropolitan area of Milan...

. He was also made a missus dominicus

Missus dominicus

A missus dominicus , Latin for "envoy[s] of the lord [ruler]", also known in Dutch as Zendgraaf , meaning "sent Graf", was an official commissioned by the Frankish king or Holy Roman Emperor to supervise the administration, mainly of justice, in parts of his dominions too far for frequent personal...

, along with the Brescian bishop Ratald, for Italy. In 818, he was instrumental in putting down the rebellion of Bernard

Bernard of Italy

Bernard was the King of the Lombards from 810 to 818. He plotted against his uncle, Emperor Louis the Pious, when the latter's Ordinatio Imperii made Bernard a vassal of his cousin Lothair...

 against the Emperor

Holy Roman Emperor

The Holy Roman Emperor is a term used by historians to denote a medieval ruler who, as German King, had also received the title of "Emperor of the Romans" from the Pope...

, Louis the Pious

Louis the Pious

Louis the Pious , also called the Fair, and the Debonaire, was the King of Aquitaine from 781. He was also King of the Franks and co-Emperor with his father, Charlemagne, from 813...

. In 822, after the abdication and death of Duke Winiges

Winiges of Spoleto

Winiges was the Duke of Spoleto from 789 to his death. He was probably a Frank in the entourage of Charlemagne when he was sent in 788 to lead Hildeprand of Spoleto and Grimoald III of Benevento in cooperation with Frankish troops against a Byzantine invasion.In this, his first recorded action,...

, Suppo was created Duke of Spoleto by the grateful emperor and he passed Brescia to his son Mauring

Mauring, Duke of Spoleto

Mauring was a Frankish nobleman, the son of Suppo I of the Supponids. He succeeded his father in Brescia as count in 822 and, following the brief reign of Adelard, in Spoleto as duke in August 824...

. Suppo's death was recorded by Einhard

Einhard

Einhard was a Frankish scholar and courtier. Einhard was a dedicated servant of Charlemagne and his son Louis the Pious; his main work is a biography of Charlemagne, the Vita Karoli Magni, "one of the most precious literary bequests of the early Middle Ages."-Public life:Einhard was from the eastern...

 and Spoleto went to Adelard

Adelard of Spoleto

Adelard, Adalhard, or Adalard was briefly the Duke of Spoleto from March to August 824. Before Spoleto, he was the count of the palace. He was appointed to succeed Suppo I, but he died in five months and was replaced by Suppo's son Mauring....

, who died within five months, leavin the duchy to Mauring.

Suppo probably had a 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...

 wife, for his second son was named Adelchis

Adelchis I of Spoleto

Adelchis I or Adelgis I was the Count of Parma by the 830s, of Cremona after 841, and eventually of Brescia. According to some sources, he succeeded to the Duchy of Spoleto in 824. He was a second son of Suppo I and father of Suppo II. His main area of interest was in the Aemilia and eastern...

.