Guðmundur Guðmundsson was born in N. Þingeyjarsýsla in 1819. He took the last name Isfeld in the west.
Spouse: 1) September 24, 1848 Rósa Jónsdóttir b. December 8, 1824, d. 1875 2) Rósa Einarsdóttir b. 1854.
Children: All with Rósa Jónsdóttir: 1. Stefanía b. March 14, 1849 2. Kristín Ingveldur b. July 14, 1850, d. 1853 3. Stillborn daughter b. January 12, 1852 4. Hallgrímur b. January 5, 1853 5. Guðjón b. February 22, 1854 6. Kristjan Ingjaldur b. February 21, 1856 7. Jón b. February 15, 1858, d. April 12, 1860 8. Stefán Ásmundur b. December 25, 1859 9. Guðrún Sigríður b. 1861, d. November 6, 1861 10. Jón b. June 4, 1863, d. November 12, 1866 11. Rósamunda b. July 30, 1864 12. Guðmundur b. June 6, 1866, d. June 24, 1866 13. Jón b. June 4, 1867 14. Jóhann Kristján b. 1869, d. May 15, 1869.
They came west to Minnesota in 1879. With them were five of Guðmundur’s children: Hallgrímur, Stefán, Rósamunda, Jón and Guðjón. All took the last name Isfeld, which translates to “Ice Field”.