Douglas Gresham (born November, 1945, in New York City) is a British biographer and film producer. He is a son of the writers William Lindsay Gresham and Joy Gresham, and the stepson of author C. S. Lewis. Lewis adopted Douglas and his older brother David in 1956, and when Lewis died, his estate, including the rights to the enormously popular "Chronicles of Narnia", went to them. Douglas Gresham admitted in a November 15, 2005, … Wikipedia
The definitive Wikipedia entry for Douglas Gresham. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Douglas_Gresham
... perhaps he's best known for being the son of Joy Davidman, the woman who captured the heart of C.S. Lewis, one of the 20th century's great Christian writers and apologists. www.mrrena.com/2001/Lewis.shtml