John S. Treen, Jr.
Ben Marcus Treen
Betsy T. Anderson
John Speir Treen (born February 5, 1926) is a retired homebuilder from Metairie in Jefferson Parish, Louisiana, who lost a 1989 special election for the Louisiana House of Representatives to the former Ku Klux Klansman David Duke. Treen is the older brother of David C. Treen, the first Republican governor of Louisiana since Reconstruction.
Treen was born in Baton Rouge to Joseph Paul Treen, Sr. (1900–1986) and the former Elizabeth Speir (1899–1990). He had a second brother, Paul Treen, Jr. He is married to the former Martha Ann Swayze (born 1928).
Treen has long been active in the Louisiana Republican Party. While Dave Treen ran for governor on February 1, 1972, in the first of three campaigns for the state's highest office, John Treen in that same election contested a Louisiana State Senate seat in Jefferson Parish. He lost by 973 votes to the Democrat, M. Joseph Tiemann.