Did you happen to run across any proof that Sarah Jane is descended from royalty? This was mentioned several times in my research from 2002 but no one has been able to confirm anything yet.
Unfortunately, the aunt I was going to get info from is now dealing with a number of health problems and a husband(my uncle) who has dementia. Now is not a good time to find out anything, but I will have access to all the paperwork I want if I am patient.