MN records

Anna Otto's death certificate with dod 2-10-1941 is on file with state of minnesota

http://people.mnhs.org/dci/results.cfm?CERTID=1941-MN-014416

Gerhard Otto, 1923:

http://people.mnhs.org/dci/results.cfm?CERTID=1923-MN-003529

Katherine Otto Schmitz, 1912

http://people.mnhs.org/dci/results.cfm?CERTID=1912-MN-019529

Joseph Schmitz, 1925

http://people.mnhs.org/dci/results.cfm?CERTID=1925-MN-022727

Maybe others...