John Edwin Lindauer (1874-?) was born on January 2, 1874. In 1918 when he filled out his registration for the World War I draft he was institutionalized at the the Hudson County Insane Asylum in Secaucus, New Jersey. His next of kin was his sister Clara Louise Lindauer (1871-?) who was living at 13 1/2 Roosevelt Avenue in Jersey City, New Jersey. His mother was Caroline Ritter (1846-?) aka Carrie Ritter who was born in France. She married Charles Lindauer in Manhattan. The "Charles Lindauer" in the 1870 Census who was her husband was born in 1840 in Pennsylvania. Charles may be Charles Frederick Lindauer (1836-1921) who was also married to Anna Augusta Kershaw (1841-1931).
George Lindauer (1867-?); Charlotte Lindauer (1869-1894) aka Lottie Lindauer; Clara Louise Lindauer (1871-?); Oskar Sorelt Lindauer (1872-?).
Source: Ancestry.com. World War I Draft Registration Cards, 1917-1918 [database on-line]. Provo, UT, USA: The Generations Network, Inc., 2005. Original data: United States, Selective Service System. World War I Selective Service System Draft Registration Cards, 1917-1918. Washington, D.C.: National Archives and Records Administration. M1509, 4,582 rolls.