possiiable realtions here

Albert Marquardt b: 1856 in Pomerania, Prussia
+Augusta Richter b: 1865 in WI m: 1883
Helen Marquardt b: 1893
+George Vogel b: 1896 m: 1920
William Marquardt b: 1883 in WI
Edwin Marquardt b: November 1886

another Augusta Richter (1874-1940) from WI