Robert Devereux, 15th Viscount Hereford British peer (1809–1855) (1809–1855) Parents Frances Elizabeth Cornewall Henry Devereux, 14th Viscount Hereford Children Robert Devereux, 16th Viscount Hereford Henry de Bohun Devereux Blanche Devereux Walter de Bourchier Devereux Sybil Catherine Devereux Eustace Devereux Siblings Walter Bourchier Devereux Henry Cornewall Devereux Frances Catherine Devereux Humphrey de Bohun Devereux George Talbot Devereux Partners Emma Jemima Ravenscroft