Philippe Paul Alexandre Henry Boiry was born in Paris on February 19, 1927. Jacques-Antoine Bernard (Antoine III) abdicated in favor of Philippe on May 12, 1951. Philippe married Jacqueline-Dominique Marquain (b. 1927) on June 24, 1950. Princess Dominique died July 10, 1978. In 1996, Philippe married Elisabeth de Chavigny. Princess Elisabeth died January 21, 2006. Philippe, who used the style Prince Philippe, had no children and named his successor as Head of the Royal House of Araucania and Patagonia in a written act known to his Council of the Kingdom and Council of State. He was the head of the Royal House of Araucania and Patagonia since May 12, 1951. Prince Philippe lived in Paris and maintained as a secondary residence La Cheze, the ancestral home of King Orelie-Antoine I, outside the village of Chourgnac d'Ans.
Professionally, Philippe began as a journalist, but soon became a leader in public relations. According to the Institute Europeen des Relations Public website, Boiry founded the first public relations agency in Western Europe in the years following World War II. In 1980, Boiry also founded France's first college of communications science, Faculté Libre des Sciences de la Communication in Levallois-Perret.
Prince Philippe died on January 5, 2014 at La Cheze. He reigned 62 years, 7 months, and 24 days.
Prince Philippe was a prolific author, having written many books of poetry, history and professional essays. Some of his works included:
Le Mystère du Coeur de Saint Louis (DIE, 2008)
Mélusine et Moi (Presses de Valmy, 2004)
Des publics-relations aux relations publiques : la doctrine européenne de Lucien Matrat (L'Harmattan, 2004)
Louis XVII avait-il deux coeurs? (Editions de Paris, 2004)
Poésies complètes (L'âge d'Homme, 2003)
Naundorff Louis XVII. Le secret des Etats (Ed. Presses de Valmy, 2001)
Le dossier Louis XVIIe : une affaire de coeurs (F.-X. de Guibert, 2000)
Poèmes de miserere (Éd. les Poètes français, 2000)
Paris Auteuil Sous les Bombes: Septembre 1943 (L'Harmattan, 2000)
La Communication en Russie Postsovietique (L'Harmattan, 1999)
Des mots sortis pour prendre l'air (Nouvelle Pléiade, 1999)
L'Enterprise Humaniste (L'Harmattan, 1998)
L'histoire de la société des volontaires (Pilote 24, 1996)
Les jeunes dans la Résistance (Pilote 24, 1996)
Eloge et Gastronomie de la Pintade (Pilote 24, 1994)