 He was the first cousin of the English writer Daphne du Maurier.Davies and his elder brother George first met the writer on their regular outings in Kensington Gardens with their nurse Mary Hodgson and infant brother Peter in 1897.They took part in play adventures with Barrie which provided much of the inspiration for the adventures in the 1904 stage play "Peter Pan, or The Boy Who Wouldn't Grow Up".