Leonard Charles Rudolph Messel British stockbroker and collector (1872-1953) (1872–1953) Parents Ludwig Messel Annie Cussans Children Anne Parsons, Countess of Rosse Oliver Messel Linley Francis Messel Siblings Ottilia Maude Messel Ruth Margaret Messel Muriel Emilie Messel Harold George Messel Hilda Louise Messel Partners Maud Frances Sambourne