 Chillum Castle Manor was named after Chilham Castle, the old home of Sir Dudley Digges, an ancestor of William Dudley Digges, in Kent, England.The manor house for the Henrietta Maria parcel was named Green Hill.It was home to William Dudley Digges and was the place where Pierre L'Enfant, designer of nearby Washington, D.C., died in destitution in 1825.