NEED TO CONTACT DOREEN PIPER

hi there im in search for s lady called doreen piper.
she has done some reserch for a lady called dawn.
she wanted to find dawns real family.
her biological father was derek wakefield.

doreen did the reserch and spoke with a lady from canada called Margaret.
I have spoke ti Margaret and she told me that doreen was associate d with this site.
please any useful info about how I couls speak with her would be great.
thanks
sarah