Her husband is Stephen Edward Smith . The two are not linked, but someone else is, possibly Smith-51231, who may be the same person.
Wikipedia Jean Kennedy Smith - Wikipedia Jean Ann Kennedy Smith (February 20, 1928 – June 17, 2020) was an American diplomat, activist, humanitarian, and author
Yes she was part of the Kennedy Family.
According to the other kennedy family profiles, she is the last of that generation to pass away.
Above is the link to her father _ joseph kennedy. All the children except for one private daughter born in the 1920s are open.
So Jean does have a profile - it's currently unlisted.