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Philip I, Count of Flanders

Philip I
Count of Flanders
Bruges basilica Philip of Flanders.JPG
Spouse(s) Elisabeth of Vermandois
Theresa of Portugal
Noble family House of Alsace
Father Thierry, Count of Flanders
Mother Sibylla of Anjou
Born 1143
Died 1 August 1191

Philip of Alsace (1143 – 1 August 1191) was count of Flanders from 1168 to 1191. He succeeded his father Thierry of Alsace.

His reign began in 1157, while he acted as regent and co-count for his father, Thierry, who was frequently away on crusade. He defeated Floris III, Count of Holland and stopped the piracy. Floris was captured in Bruges and remained in prison until 1167, at which point he was being ransomed in exchange for recognition of Flemish suzerainty over Zeeland. By inheritance, Philip also recovered for Flanders the territories of Waasland and Quatre-Métiers.

In 1159 Philip married Elisabeth of Vermandois, also known as Isabelle, elder daughter of count Raoul I of Vermandois and Petronilla of Aquitaine. When his brother-in-law died (1167), his wife inherited the county of Vermandois. This pushed Flemish authority further south, to its greatest extent thus far, and threatened to completely alter the balance of power in northern France.

Philip governed wisely with the aid of Robert d'Aire, whose role was almost that of a prime minister. They established an effective administrative system and Philip's foreign relations were excellent. He mediated in disputes between Louis VII of France and Henry II of England, between Henry II and Thomas Becket, and arranged the marriage of his sister Margaret with Baldwin V, Count of Hainaut.

Philip and Elisabeth were childless. In 1175, Philip discovered that Elisabeth was committing adultery and had her lover, Walter de Fontaines, beaten to death. Philip then obtained complete control of her lands in Vermandois from King Louis VII of France. Philip's brothers Matthew and Peter of Alsace also died without surviving children, so in 1177, before going on crusade, he designated Margaret and Baldwin as his heirs.


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