Dora was born in Germany around 1836. She married John Stammen.
Fact: Occupation Wife
Fact: Immigration (11 Nov 1865) New York, New York, New York, United States
1880 census Clark, Tama, Iowa, United States Sheet A430
John Stammin Head Male 50 Germany
Dora Stammin Wife Female 43 Germany
Sophia Stammin Daughter Female 17 Germany parents born **Germany
John Stammin Son Male 13 Illinois, United States
Henry Stammin Son Male 4 Iowa, United States
"United States Germans to America Index, 1850-1897," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KD71-1TH : 27 December 2014), Dora Stammann, 11 Nov 1865; citing Germans to America Passenger Data file, 1850-1897, Ship Oder, departed from Hamburg, arrived in New York, New York, New York, United States, NAID identifier 1746067, National Archives at College Park, Maryland.