sentences:  Mildmay was the son of Francis Bingham Mildmay, 1st Baron Mildmay of Flete and his wife Alice Grenfell.He was educated at St Cyprian's School, Eastbourne, where he was encouraged to ride on the South Downs, and at Eton.He then went up to Trinity College, Cambridge, where he was a member of the University Pitt Club.