Frances Mary Petre (died 1920) (1844–1920) Parents Mary Theresa Clifford William Petre, 12th Baron Petre Children Reginald George Benedict Forbes Fergus Reginald George Forbes Bertram Aloysius Forbes Bernard Forbes, 8th Earl of Granard Lady Margaret Forbes Lady Eva Forbes Donald Alexander Forbes Fergus George Arthur Forbes Siblings Katherine Mary Lucy Petre Eleanor Mary Petre Bernard Henry Philip Petre, 14th Baron Petre Margaret Mary Petre Philip Benedict Joseph Petre, 15th Baron Petre Theresa Mary Louisa Petre Mary Winifrede Petre Monica Mary Petre Isabella Mary Petre Joseph Lucius Henry Petre William Petre, 13th Baron Petre Partners George Forbes, 7th Earl of Granard