Charles Graves Irish bishop of Limerick and mathematician (1812-1899) (1812–1899) Parents Helena Perceval John Crosbie Graves Children Robert Graves Ida Margaret Poore Alfred Perceval Graves Charles Larcom Graves Arnold Felix Graves John Cheyne Graves Rosamund Selina Graves Helena Cecilia Graves Augusta Caroline Graves Siblings Caroline Graves James Perceval Graves John T. Graves Robert Perceval Graves Clarissa Graves Partners Selina Cheyne