Hansi was a notable artist . She lived for some years in Sweden and in Portugal, There are Wikipedia articles about her in those 2 languages: htps://sv.wikipedia.org/wiki/Hansi_Staël_von_Holstein and https://pt.wikipedia.org/wiki/Hansi_Staël
The Swedish Wikipedia article says:
"She was the daughter of Robert Lenard and Ilona Hoffmann and was married first from 1938 to 1950 to the merchant Jacob Oscar Didrik Staël von Holstein and secondly from 1951 to the chemist Herbert Courtney Bryson "
Currently, Geni shows 3 "Staël von Holstein" first husband profiles. I suggest that they be merged.
The 2nd husband, the chemist Herbert Courtney Bryson, is currently not on Geni. I suggest that his profile be added.
Possible secondary sources:
Ancestry: https://www.ancestry.com/family-tree/person/tree/168087048/person/3...
https://www.myheritage.com/site-family-tree-49878181/lenard (shows 2 children with the first husband, and various other information not in Geni, which someone may wish to copy over)