Sybil Markham (died 1959) (1877–1959) Parents Ann Grant William Markham Children Elizabeth Wingfield Susan Wingfield William Wingfield Siblings Gwendolen Markham Mabel Markham Cecile Markham Avril Markham Ronald Markham Rupert Markham Nigel Markham Cyril Markham Claron Markham Hermione Markham William Markham Ethel Markham Partners William Wingfield