Princess Lilian was "a credit to Swansea", her first cousin Barbara Davies, who was also born in the city, told ITV News.
"She had an exciting life. While living in Stockholm, she did have a degree of privacy."
"From my conversations with people in Sweden they were in high praise of her conduct."
More top news
Wales Women overcame a plucky Scotland side to record a 23-10 victory at the Gnoll.
It will be a cold night, with clear skies for most, which will allow a widespread and sharp frost to develop
Catch up with this week's episode of Newsweek Wales.