Findings:

• John and Martha
• John (user)
• John Constantine (user)
• John Brisbin (user)
• John Hays (user)
• John Cusack
• John Belushi
• John Engler
• John Cage
• John Coltrane
• John Williams
• John Flansburgh
• John Carmack
• John Malkovich
• John Waters
• John Locke
• John Stuart Mill
• John Holland
• John Munsch
• John Woo
• John Sheridan
• John von Neumann
• John Romero
• John Moschitta
• John Linnell
• John Gilmore
• John Ralston Saul
• John Cale
• John Entwistle
• John Holt
• John Lithgow
• John Grisham
• John Wayne
• John Peel
• John Lennon
• Lord John Whorfin
• John Zorn
• John Logie Baird
• Johns Hopkins University
• John Glenn
• John Cleese
• John Candy
• John McEnroe
• John Stamey
• St. John Ambulance
• John Napier
• John Paul II
• John Levine
• John Irving
• Elton John
• Saint John's wort
• John Watson
• John Thomas
• John Varley
• John Carroll University
• John Hughes
• John F. Kennedy
• John Deacon
• John Chambers
• John Avanzini
• John Petrucci
• John Calvin
• John Lewis
• John McLaughlin
• John Lydon
• John Stamos
• John Coltrane Quartet
• John Updike
• John Carpenter
• Jasper Johns
• John Marin
• John DeLancie
• John Tesh
• John Paul Jones
• John Holmes
• John Howard
• John Doe
• John Galt
• John Clellon Holmes
• John Henry
• John Steinbeck
• John Milton
• John Maynard Keynes
• John Brunner
• John Carter
• John Perry Barlow
• John Donne
• John Huston
• John Koza
• John Oswald
• John Bonham
• John Birch Society
• John Fahey
• John Francis Dooley
• John Bellairs
• John Frost
• John Simon Ritchie
• John the Baptist
• John Wyndham
• Cathedral of St. John the Divine
• John of Gaunt
• John Lilly
• John Allen Paulos
• John Cassavetes
• John Presper Eckert
• John Popper
• John Kerr
• John Kelly
• John Sculley
• John Adams
• John Hancock
• John Quincy Adams
• John Tyler
• John Diefenbaker
• John McCain
• John Elway
• John A. Macdonald
• Knights of Saint John
• John D. Rockefeller
• John Hinckley, Jr.
• Kingdom of Prester John
• Prester John
• John "GrimJack" Gaunt
• John Patrick Ennis
• John Hawkins
• John Medeski
• John Wesley
• John Tavener
• John Murray
• John Matese
• John Barry
• John Smith
• John Citizen
• John Lawler
• John Macadam
• John Kenneth Galbraith
• John Kahn
• Martha Be Real
• John Kander and Fred Ebb
• John Chafee
• John Densmore
• John Goodman
• John Montagu
• John Wilkes Booth

If you Log in you could create a "John and Martha Kent" node. If you don't already have an account, you can register here.