Sybil Catherine Devereux (died 1930) (d. 1930) Parents Emma Jemima Ravenscroft Robert Devereux, 15th Viscount Hereford Children Nora Butler Humphrey Charles Butler Francis Algernon Butler Siblings Blanche Devereux Henry de Bohun Devereux Walter de Bourchier Devereux Robert Devereux, 16th Viscount Hereford Eustace Devereux Partners John Bayford Butler