I am looking for details about my biological grandfather's family from Essen Germany.
Parents: Wilhelm Sohnius (b: about 1875, d: after 1940, Lived in Essen, Germany)
Laura Geborene Thiemann (b: about 1880, d: after 1940, Lived in Essen, Germany)
Alfred Sohnius (b: 1 Oct 1904, Essen Germany, d:10 Oct 1997 York, PA, USA),
Alfred Sohnius had a child with his wife, Elsa Dora Martha Schuttwolf (b: about 1905, Wandersleben, Gotha, Thüringen, Germany, d ????, Germany?)
Child - Marion Sohnius or Schuttwolf (b: about May 1937 Wandersleben, Gotha, Thüringen, Germany, d unknown) - She was known to have been living in Bad Driburg, Hoxter, Nordrhein-Westfalen, Germany as of 1997.
Marion's married name is reported to be Geist
If you have any details about this family or an approach to find details in the Essen area, please advise me.