Þorsteinn Þorsteinsson was born May 24, 1857 in N. Þingeyjarsýsla. He died in Lincoln County in Minnesota on October 31, 1917.
Spouse: 1) Solveig Sigurðardóttir b. 1864 in N. Múlasýsla 2) October 16, 1904 Guðmunda María Eyjólfsdóttir b. April 10, 1880 d. August 20, 1979.
Children: With Solveig: 1. Jón b. November 24, 1883 2. G. Ágúst b. August 20, 1885 3. Elísa Sigríður b. June 13, 1891 4. Petra Sigurveig b. April 14, 1894 5. Lilja María b. August 22, 1898. With Guðmunda: 1. Sigrún Kristín b. August 4, 1905 2. Solveig May b. May 9, 1907 3. Aurora b. January 10, 1910 4. Amilía June b. June 5, 1912.
Þorsteinn came west to Minnesota in 1880 and settled in Lincoln County in Minnesota. Solveig was the daughter of Sigurður Sigurðsson and Arnþrúður Jónsdóttir who had come west in 1879 from Vopnafjörður. Guðmunda’s parents, Eyjólfur Guðmundsson and Katrín Björnsdóttir, came west to Minnesota in 1880.