He was the son of businessman and merchant Peter Wessel Wind Kildal and his wife , Christine Marie Gotaas ( 1817 - 1900 ) .
Kildal was born at Christiania ( now Oslo ) , Norway .
Kildal was the Kildal of businessman and merchant Peter Wessel Wind Kildal and Kildal 's wife , Christine Marie Gotaas ( 1817 - 1900 ) .
Kildal was born at Christiania ( now Oslo ) , Norway .