For what it's worth, I did have a Wenzel DONAT in my GedCom file. No known connection, but someone may find this useful.
Wenzel DONAT
Birth Date: 1817
Birth Place: Bohemia
1885 Nebraska Census, Sparta Precinct, Know County ED 467, Midway Borough ED 192, OSPage 9B
Spouse: Maria1
Birth Date: 1817
Birth Place: Bohemia
Children: Josephine (1860-)
Birth Date: 1860
Birth Place: Bohemia