He had these children:
EMMA KRISTINE10 KVALSTAD, b. 1890.
ARNOLD WILHELM KVALSTAD, b. 1893.
EDVIN PARELIUS KVALSTAD, b. 1898.
AGNES PETRINE KVALSTAD, b. 1902.
LEONARD GEORG KVALSTAD, b. 1904.
HELLEN EVELYN KVALSTAD, b. 1909.
I am looking for his descendants
ahildrum@online.no