I’m not related to any member of this family.
Based on their ages, I'd say that they were married in Europe.
Wilhelm was born in Prussia [Poland/GER]
Elizabeth born in Bavaria [GER]
1850, 1860 & 1870 census records do not show family relationships, marital status or parental birthplaces.
Step children are not enumerated as “step” children
Adopted children are not enumerated as “adopted”
Grand children are not enumerated as “grand children”
Orphaned children were not enumerated as "orphan"
1850 is the 1st census that shows all family members
1880 is the 1st census that shows parental birthplaces and family relationships +++
Immigration data was not asked on census records until the 1900 census.+++