When Gustaf Eriksson was born on 17 May 1863, in Piteå landsförsamling, Norrbotten, Sweden, his father, Eric Henricsson Hjälm, was 32 and his mother, Gustava Pehrsdotter Åström, was 35. He married Maria Gustafsson on 26 September 1886, in Piteå landsförsamling, Norrbotten, Sweden. They were the parents of at least 2 sons. He died on 13 July 1938, in Piteå landsförsamling, Norrbotten, Sweden, at the age of 75.