Olaf was born on March 24th, 1888.1 Olaf's father was Even Midboe and his mother was Engeborg Haugo. His paternal grandparents were Torger O. Midboe and Sigri Utabjaa; his maternal grandfather was Tarjei Haugo. He had two brothers and four sisters, named Sigri, Torger, Engeborg, Tilda, Signe and Sander. He was the third youngest of the seven children. He died due to diphtheria at the age of 9 on December 24th, 1897.1