In his youth, his father was forced to mortgage him to Venetian merchants to raise money for the support of his empire,[2] which was lost to the Empire of Nicaea in 1261.
The marriage was performed in October 1273 at Foggia;[1] shortly thereafter, Baldwin died, and Philip inherited his claims on Constantinople.[1] Although Philip was recognized as emperor by the Latin possessions in Greece, much of the actual authority devolved on the Angevin kings of Naples and Sicily. Philip died in Viterbo in 1283.[3]