I Remember Mama -- Annie Lund Jesser

Recently, I saw an ad on one of the cable stations advertising a showing of the movie "I Remember Mama". It will be broadcast on this coming Wednesday evening. The ad mentioned it was about a Norwegian immigrant family. If I had seen this movie before, I'd forgotten it. But seeing the ad immediately made me wonder if anybody had ever researched this family and identified the person who was the basis for the short story, the movie, the book Mama's Bank Accountand the TV show also called "I Remember Mama" and their origins in Norway? I did a few looks in Google but apparently it hasn't been a topic for some time but perhaps there's an oldtimer or two who may know or remember hearing where the family came from in Norway? Kathryn Forbes, the book's author, was the pen name of Kathryn Anderson McLean. Kathryn was born in 1908 in San Francisco, California and died in Burlingame, California in 1966. There are a large number of mentions of Kathryn in online directories and the like. The majority say that the original character of "I Remember Mama" was her Norwegian grandmother. Here is Kathyrn's memorial at www.findagrave.com: http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=forbes&GSbyrel=all&GSdy=1966&GSdyrel=in&GSst=6&GScntry=4&GSob=n&GRid=5314&df=all& Her death index listing: https://familysearch.org/pal:/MM9.1.1/VGRG-HTY Her family transcribed in the 1930 census: https://familysearch.org/pal:/MM9.1.1/XCN2-D8M Kathryn and her mom transcribed in the 1920 census: https://familysearch.org/pal:/MM9.1.1/MHW2-6B1 Kathryn and her family in the 1910 census: https://familysearch.org/pal:/MM9.1.1/MVG4-2FT In the 1910 census, Frank Jesser b. Denmark, Kathryn's grandfather, was living with her family. Frank Jesser and Annie are found in 2 prior US Federal censuses. Here is the transcription of the 1900 census https://familysearch.org/pal:/MM9.1.1/M9P4-961 In this census Annie Jesser's birthdate is given as Oct 1849, born Norway, and in the image she came to US in 1871 and is the mother of 8 children 6 of whom still live (5 in the household, only Della is out on her own). Here is the transcription of the 1880 census (the only one in which Kathryn's mother Della appears: https://familysearch.org/pal:/MM9.1.1/M6GP-V5B Anne Jesser is still alive in the 1920 census, widowed but living with two sons and one of the son's family: https://familysearch.org/pal:/MM9.1.1/MH3Q-X8H Anne Jesser's "maiden name" Lund is found in the death record of Kathryn's mother Della Moore, as well as in several of Anne's other children's death index listings: https://familysearch.org/pal:/MM9.1.1/VP73-MX8 I've looked at the Digitalarkivet and I think I've found the family, not sure. So my question, has anyone seen or heard any discussion about this family before--or do you have personal knowledge of the family's origin in Norway?