Not Related. Hi, The California Death Index states Emmas mother m.n is Pike. Found in Missouri on Ancestry in family tree, John August Wulf married Alice Elizabeth Pike 4 Feb 1894 Cedar Missouri, Also in 1920 census in Kansas were John died the family was John, Elizabeth A, Children Emma,A- William,J and Ernest,L.
John August Wulf b 14 Jan 1865 Germany d 14 Feb 1923 Labette, Kansas

Alice Elizabeth Pike b23 Apr 1872 Cedar Missouri d 13 Apr 1950 Black River Falls Jackson, Wisconsin

Hope this helps

Patrick