Claim: 1945 British drama film Madonna of the Seven Moons (directed by Arthur Crabtree) was based by Margery Lawrence's novel in 1931 and Gaumont British bought film rights in 1938.
Evidence: Madonna of the Seven Moons is a 1945 British drama film directed by Arthur Crabtree for Gainsborough Pictures and starring Phyllis Calvert, Stewart Granger and Patricia Roc. The film was based on a novel by Margery Lawrence which had been published in 1931. Film rights were bought by Gaumont British in 1938 who wanted to turn it into a vehicle for Renée Saint-Cyr, as part of an ambitious slate for Gainsborough in 1939.