Mary Henrietta Perceval (died 1937) (1863–1937) Parents Marianne Dunnage Spencer Arthur Perceval Children Reginald St. Alban Heathcote Sir Leonard Vyvyan Heathcote, 10th Bt. Siblings Henry Godfrey Perceval Louisa Charlotte Perceval Arthur Philip Charles Perceval Partners Henry Gourlay Gilbert Vyvyan Heathcote