Árni Sigvaldi Jónsson was born on September 3, 1862 in N. Múlasýsla. He died in Minnesota in 1928.
Spouse: Sigríður Vigfúsdóttir b. in 1864 in N. Múlasýsla, d. 1928 in Minnesota.
Children: 1. Jónína b. 1884 2. Sigurbjörg b. 1885 3. Kristinn Sigurjón b. May 8, 1887, d. in Minnesota 1931 4. Petrína Svanborg b. March 31, 1890 5. Vigfús Jóhann b. February 8, 1894, d. July 20, 1899, twin 6. Jóseph b. February 8, 1894, d. 1900 7. Sigfinna Sigurbjörg b. June 26, 1896 8. Jóhanna Þórdís b. June 17, 1900 9. Victor Ellis b. 1903.
Árni came west to Minnesota in 1880 with his father, Jón Jónsson from Hraunfell in Vopnafjörður. They settled in Lincoln County and that is where Árni and Sigríður lived. She was the daughter of Vigfús Jósefsson and Sigurborg Hjálmarsdóttir, who had come west in 1878 to Minnesota.