When Otto Kall Zigerli was born on 10 December 1881, in Gerolfingen, Täuffelen, Bern, Switzerland, his father, Abraham Gottfried Zigerli, was 20 and his mother, Ida Elisa Laubscher, was 19. He married Lydia Martha Haas in 1908, in Biel, Bern, Switzerland. They were the parents of at least 1 daughter. He died on 3 May 1950, in Biel, Bern, Switzerland, at the age of 68, and was buried in Biel, Bern, Switzerland.