Philip I, also known as Philip of Saint Pol (25 July 1404 –

Leuven Leuven (, , ), also called Louvain (, , ), is the capital and largest City status in Belgium, city of the Provinces of Belgium, province of Flemish Brabant in the Flemish Region of Belgium. It is located about east of Brussels. The municipalit ...

, 4 August 1430), was the younger son of Anthony, Duke of Brabant and Jeanne of Saint-Pol. He succeeded his brother John IV as

Duke of Brabant The Duke of Brabant (, ) was the ruler of the Duchy of Brabant since 1183/1184. The title was created by the Holy Roman Emperor Frederick Barbarossa in favor of Henry I, Duke of Brabant, Henry I of the House of Reginar, son of Godfrey III of Le ...

in 1427, while he had inherited Saint-Pol and

Ligny Ligny (; ) is a village of Wallonia and a district of the municipality of Sombreffe, located in the province of Namur, Belgium. Previously its own municipality, a 1977 fusion of the Belgian municipalities made it an '' ancienne commune'' of So ...

as an appanage on the death of his maternal grandfather, Waleran III of Luxembourg, Count of Ligny, in 1415. He commanded the Burgundian forces occupying

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

in 1419, but he returned to Brabant in 1420, where the populace complained of his brother's misadministration. He was then declared ''ruwaard'' (regent) of Brabant. In 1421, he was reconciled with his brother and resigned the regency. The citizens were pacified by John's "Nieuw Regiment" in 1422. During his own reign, Philip was forced to grant concessions to the nobility in 1428. Wary of the rise of his cousin and heir

Philip the Good Philip III the Good (; ; 31 July 1396 – 15 June 1467) ruled as Duke of Burgundy from 1419 until his death in 1467. He was a member of a cadet line of the Valois dynasty, to which all 15th-century kings of France belonged. During his reign, ...

in the Hook and Cod wars, he sought a marital alliance with Louis II, Duke of Anjou, against

Burgundy Burgundy ( ; ; Burgundian: ''Bregogne'') is a historical territory and former administrative region and province of east-central France. The province was once home to the Dukes of Burgundy from the early 11th until the late 15th century. ...

, marrying his daughter Yolande of Anjou. Because this marriage produced no children, his death in 1430 placed Brabant in the hands of his cousin Philip the Good, the next heir, whilst Saint-Pol and Ligny went to his great-aunt, Joan of Luxembourg, by

proximity of blood Proximity of blood, or proximity by degree of kinship, is one of the ways to determine hereditary succession based on genealogy. In effect, the application of this rule is a refusal to recognize the right of representation, a component of primog ...

. His wife Yolande was placed in the guardianship of Philip the Good, until she remarried in 1431 to Francis I, Duke of Brittany.

References

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Ancestors

{{DEFAULTSORT:Philip 01, Duke of Brabant Brabant, Philip of Saint-Pol Brabant, Philip of Saint-Pol 15th-century dukes of Brabant 15th-century regents 15th-century dukes of Limburg St Pol, Philip of St Pol, Philip of House of Valois-Burgundy-Brabant Regents in the Holy Roman Empire