Her Majesty The Queen and The Duke of Edinburgh speak to Sir Mark Thatcher, his wife Sarah (hidden), his children Michael and Amanda (both right), his twin sister Carol (far left) and her boyfriend Marco Grass as they leave St Paul’s Cathedral in central London following the funeral service of Baroness Thatcher. PRESS ASSOCIATION Photo. Picture date: Wednesday April 17, 2013. See PA story FUNERAL Thatcher. Photo credit should read: Chris Ison/PA Wire.