Descendants of Henry Micael Winje

Henry emigrated from Trondheim, Norway 1921 with wife Borghild and children Hilmar Myron b 1913, Klara Fredrikke b 1916, Erling J b 1918, Aksel L b 1914, Georg Trygve and Mary Henrietta b 1920. Henry's mother Karen Kristine Henriksen b 1854 followed the family to Placerville, California. My father Øivind Johan Winje b 1911, was half-sibling to Henry. First: I wish to get in contact with Henry's descendents in USA to exchange information about their ancestor's life in Norway and their life in USA. Second: Can someone help finding if, when and how Karen Kristine Henriksen returned to Norway? Greetings from Dagfinn Winje (b.1949).