According to Roger de Robelin; Skanke aetten, page 324:
Herman Garmann Schanche, born april 22, 1860, deceased March 23 1941 in Oslo, engeneer, married June 16, 1884 in Philadelphia to Henninge Margrethe Krohn, born March 7, 1861 in Oksnes (Nordland).
They got four children:
1) Henning Krohn Schanche, born April 16, 1885
2) Edith Krohn Schanche, born October 20, 1886
3) Ingeborg von der Lippe Krohn Schanche, born february 13, 1888
4) Herman Garmann Schanche, born August, 1895.
Terje Pedersen, terpede@start.no (I am also a Skanke)