Ker-Xavier Roussel was born in Lorry-lès-Metz, Moselle on December 10, 1867. At the age of fifteen he began studies at the Lycée Condorcet in Paris; alongside his friend, Édouard Vuillard.
- In 1888, Roussel enrolled in the École des Beaux-Arts.
- He is best known for his paintings of French landscapes, usually depicting women, children, nymphs and fauns in bucolic settings.
- In 1899, Roussel, Vuillard, and another close friend, Pierre Bonnard, traveled to Lake Como, Venice and later to Milan.
- In 1926 Roussel won the Carnegie Prize for art.
Ker-Xavier Roussel died on 6 June, 1944, at his home in L’Étang-la-Ville, Yvelines.