Henry I of Montfaucon became Count of Montbéliard and Lord of Montfaucon

Montfaucon, Doubs

Montfaucon is a commune in the Doubs department in the Franche-Comté region in eastern France.-Geography:Montfaucon lies southeast of Besançon in the valley of the Doubs River.-Population:-External links:* *...

 through his marriage to Agnes, the daughter of Reginald of Burgundy

Reginald of Burgundy

Reginald of Burgundy was count of Montbéliard from 1282 to 1321. He was a son of Hugh of Chalon , sire of Salins, and his wife Adelaide. He married Guillemette de Neufchatel and they had a daughter, Joanna, who married first Ulrich III, Count of Pfirt and second Rudolf of Baden...

, Count of Montbéliard. He ruled after the death of his brother-in-law Othenin the Mad, who was mentally handicapped and whose uncle, Hugh of Chalon, brother of Reginald of Burgundy, provided both the regency council and guardianship of his nephew.

In March 1340, he faced a revolt of the people of Montbéliard

Montbéliard

Montbéliard is a city in the Doubs department in the Franche-Comté region in eastern France. It is one of the two subprefectures of the department.-History:...

. The revolt was serious, but instead of bloodshed, he managed to calm the insurgency with soothing words with promises of forgiveness.

Like most of his predecessors, he participated in many battles. He joined the King of France, Philip VI the Fortunate

Philip VI of France

Philip VI , known as the Fortunate and of Valois, was the King of France from 1328 to his death. He was also Count of Anjou, Maine, and Valois from 1325 to 1328...

 in the war against the Flemings

Peasant revolt in Flanders 1323-1328

The Peasant revolt in Flanders 1323-1328 was a popular revolt in late medieval Europe. Beginning as a series of scattered rural riots in late 1323, peasant insurrection escalated into a full-scale rebellion that dominated public affairs in Flanders for nearly five years until 1328...

 at the Battle of Mont Cassel

Battle of Cassel (1328)

The Battle of Cassel was fought on 23 August 1328 by Philip VI, the King of France, and first ruler of House of Valois , against the peasant revolt in Flanders, led by Nicolaas Zannekin. The battle took place near the city of Cassel, 30 km south of Dunkirk in present-day France...

 in 1328. Later, he fought with the French against the English

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, and Prussia

Prussia

Prussia was a German kingdom and historic state originating out of the Duchy of Prussia and the Margraviate of Brandenburg. For centuries, the House of Hohenzollern ruled Prussia, successfully expanding its size by way of an unusually well-organized and effective army. Prussia shaped the history...

, with the Teutonic Knights

Teutonic Knights

The Order of Brothers of the German House of Saint Mary in Jerusalem , commonly the Teutonic Order , is a German medieval military order, in modern times a purely religious Catholic order...

, against the Lithuanians

Grand Duchy of Lithuania

The Grand Duchy of Lithuania was a European state from the 12th /13th century until 1569 and then as a constituent part of Polish-Lithuanian Commonwealth until 1791 when Constitution of May 3, 1791 abolished it in favor of unitary state. It was founded by the Lithuanians, one of the polytheistic...

.