William Holme-Sumner (1798-1859) (1798–1859) Parents Louisa Pemble George Holme Sumner Children Arthur Holme-Sumner Georgina Holme-Sumner Siblings George William Holme-Sumner Louisa Catherine Holme-Sumner George Vernon Holme-Sumner Sophia Holme-Sumner Partners Mary Barnard Hankey