Maria Anna Gräfin Esterházy von Galántha (1786-1821) (1786–1821) Parents Giovanni Nepomuceno Esterhazy de Galantha Children Giovanni Nepomucene Ruspoli, 5th Prince of Cerveteri Siblings Ferenc Esterházy Dénes Esterházy Mihály Esterházy Alajos Esterházy Partners Alessandro Ruspoli, 4th Prince of Cerveteri