When holidaying at Greenway, Agatha Christie regularly attended the Church of St Mary the Virgin in the village of Churston Ferrers. In 1955, she donated the royalties from her short story Greenshaw's Folly (which appears in The Adventures of the Christmas Pudding) to the church, to pay for a new stained glass window. The east-facing window, designed by Bideford artist James Patterson, depicts Jesus as the Good Shepherd in Agatha's favourite colours of greens and mauves.