Nels and Martin Markuson were brothers of Melvin Markuson. Nels was born December 14, 1869 and died April 21, 1937. He was a grain buyer for Olson & Cox at Hannaford for about 25 years and later moved to Montana. Nels married May Olson who died in 1903. Later he married Anna Nelson, daughter of Charles Nelson, who was one of the earliest settlers in the Hannaford area.

Martin was born December 21, 1868. He never married and died from smoke inhalation while fighting a prairie fire at Hannaford on May 12, 1889.

Source: Griggs County History 1879 - 1976 Page 149