Mary Ann Sainsbury Wife of John James Sainsbury, founder of the Sainsbury's supermarket chain (1849–1927) Parents Benjamin Staples Children John Benjamin Sainsbury George Sainsbury Elsie Sainsbury Louise Sainsbury Frank Sainsbury Arthur Sainsbury Lilian Sainsbury Mary Ann Sainsbury Alice Sainsbury Dorothy Maud Sainsbury Alfred Sainsbury Paul James Sainsbury Partners John James Sainsbury