Louis III de Courtenay
From NSWiki
Louis III, Prince de Courtenay (1882-1958) was a Braslander nobleman. He was the son of Prince Roger III de Courtenay.
In 1904 he married Countess Béatrice de Vielle. They had five children: Auguste (born 1906), Hubert (1907-1909), Michel (born 1908; priest), Sophie (born 1911) and Philippe (born and died 1913).