Marianne ffrench (1852-1943) (1852–1943) Parents Acheson Jeremy Sydney ffrench Anna Clarke Watton Children Lucius O'Brien John Conolly Siblings Lucius ffrench Edward Victor ffrench Anna ffrench Robert Percy ffrench Emily ffrench Nichola Frances ffrench John Ludlow ffrench Harriet Maria ffrench Amy ffrench Henry Albert de Vreque O'Brien-ffrench, 1st Marquess of Castel Thomond Acheson Evelyn ffrench Alice ffrench Partners John Watton Conolly