Mary Ann Pomeroy (died 1883) (d. 1883) Parents Caroline Robinson John James Pomeroy, 5th Viscount Harberton Children Eleanor Mary Wigram Henry Wigram Madeline Clara Wigram Margaret Esther Wigram Helen Isabella Wigram William Arthur Wigram Siblings Esther Caroline Pomeroy James Spencer Pomeroy, 6th Viscount Harberton Arthur James Pomeroy John Pomeroy Partners William Knox Wigram