Mary Louisa Coryton (1893-1970) (1893–1970) Parents Evelyn Annie Parker William Coryton Children Morwenna Mary Bolitho Rosemary Patience Bolitho Richard Bolitho Hilary Bolitho Siblings Alec Coryton Edmund George Coryton John Tillie Coryton Joan Elizabeth Loveday Coryton Ruth Evelyn Coryton Partners William Bolitho