According to the Hjelmeland/Fister parish records, Bertha and Iverdine were born to Ole and Mari on December 2, 1850 and baptized December 26, 1850. This is the first set of twins I have discovered born in the family.
Genealogical site for the descendants of Ole Oleson (Olson/Olsen) Finnestad from Stavanger, Norway. Contact me for the most comprehensive copy of the Finnestad family tree.