Sigurbjörg Arngrímsdóttir was born in 1867 in N. Múlasýsla.
Spouse: Sigfús Runólfsson b. in S. Múlasýsla in 1860. He took the name Frank R. Johnson in the west.
Children: 1. Arnólfur b. 1887 2. Guðný María b. February 16, 1891 3. Sigfúsína Sigurbjörg b. 1896 4. Valdimar Eymundur b. 1898 5. Margrét Evangeline b. 1901 6. Alice b. 1903.
Sigurbjörg came west to Minnesota with her siblings in 1879 and settled in Minneota. Sigfús came west in 1877 and travelled on to Minnesota. He settled in Minneota and took an active part in shaping the community there. He served on the fire brigade, ran the Icelandic Co-op, and served on the town council from 1885 to 1892. He owned and operated the Minneota Clothing Store until 1892. Shortly after the turn of the century, the entire family moved west to the Pacific Ocean and settled in Seattle.