L'Arbre et la forêt (English title: Family Tree) is a French film, directed by Olivier Ducastel and Jacques Martineau, released 3 March 2010. It drew its inspiration in large measure from the life of Pierre Seel, an Alsatian homosexual deported to the camp of Schirmeck, who wrote of his experiences in a book, Moi, Pierre Seel, déporté homosexuel. The film won the Prix Jean Vigo in 2009.