Background
Nelson, Sofus Bertelson was born on December 21, 1867 in Veile, Denmark.
Nelson, Sofus Bertelson was born on December 21, 1867 in Veile, Denmark.
Graduate work, Royal Veterinary
Director extension service, since 1919.
Member Washington
Married Jettchen Ubden-Nelson, November 28, 1895.