La Vallée-Poussin

The family Delavallée Poussin, also denominated as de la Vallée Poussin or de la Vallée, is a family of the French bourgeoisie coming from Normandy in France.

Two members of this family ware ennobled in the XX century by the king of Belgium, the other members don't belong to the nobility.

The ennoblements

in 1930: Concession of nobility^[1] with the title of baron by king Albert Ier of Belgium, to Charles Jean de la Vallée-Poussin, professor of mathematical analysis at the Catholic University of Leuven.
in 1963: Title of baron for Paul de la Vallée Poussin, consellor to the Cour d'Appel, elder son of the preceden by king Baudouin Ier of Belgium the 30 October 1963.

Members of this family

Charles Jean de la Vallée-Poussin (1866–1962), Belgian mathematician, son of Charles-Louis-Joseph-Xavier
Charles-Louis-Joseph-Xavier de la Vallée-Poussin (1827–1903), Belgian geologist and mineralogist, father of Charles Jean
Étienne de La Vallée Poussin (1735–1802), French history painter and creator of interior decorative schemes
Louis de La Vallée-Poussin (1869–1938), Belgian Indologist and scholar of Buddhist Studies

Notes

^ Paul Janssens et Luc Duerloo, Armorial de la Noblesse belge, du XVe siècle au XXe siècle, vol. N-Z, Brussels, 1992, p. 692-693.

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