Philip I, also Philip of Courtenay (1243 – 15 December 1283), held the title of Latin Emperor of Constantinople from 1273–1283, although Constantinople had been reinstated since 1261 to the Byzantine Empire; he lived in exile and only held authority over Crusader States in Greece.

[1] 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.

[1] 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.

[3] Philip and Beatrice had a daughter: This biographical article of a European noble is a stub.