Langdon John Langdon-Down Langdon (New Hampshire) John Langdon Robert Langdon Lillian Langdon Trajan Langdon Curtis Langdon East Langdon Langdon (Alberta) Harry Langdon Langdon (Kent) Jeffrey Langdon Langdon (Dakota du Nord) Darren Langdon Steve Langdon Olivia Langdon Clemens Langdon Park (DLR) West Langdon Alvin Langdon Coburn Langdon Warner Royston Langdon Langdon (Kansas) Langdon Hills Langdon Winner Helen Langdon Michael Langdon Langdon Place (Kentucky) Langdon West Jonathan Langdon Langdon Cheves Easton Sue Ane Langdon Elizabeth Langdon Williams