People Joanna Vosper Joanna Vosper Joanna Vosper from . About Family Husband Geoffrey Vaughan Blackstone Children She has three children, Tim , Tessa (82) and Dr. (82) . Other facts about Joanna Vosper Given name Joanna Joanna Vosper's Children (3) Tim Blackstone Tessa Blackstone Baroness Blackstone, 82 Dr. Tessa Ann Vosper Blackstone, Baroness Blackstone, 82 Comments There are no comments yet. Enter your name here: Enter your email here: Enter your message here: Your message is required. Markdown cheatsheet. Submit