Few people know that the mother of Boris Johnson, Mayor of London, is an avid portrait painter.
Charlotte Johnson Wahl is the mother of famous siblings Boris, the writer Rachel Johnson, environmentalist Leo Johnson and MP Jo Johnson. A talented painter, she was diagnosed with early-onset Parkinson's at the age of 40, and has struggled with mental illness in the past.
A new documentary, Painting The Johnsons, will explore Charlotte's paintings and how her art informed the childhoods of her famous family.
Watch it on Sky Arts on Wednesday 7th October at 9m.
Catch a preview of the documentary below.