Members of the Royal Family attend the Easter Mattins Service at St. George's Chapel, Windsor Castle, Windsor, Berkshire, UK, on the 21st April 2019. 21 Apr 2019 Pictured: Members of the Royal Family attend the Easter Mattins Service at St. George's Chapel, Windsor Castle, Windsor, Berkshire, UK, on the 21st April 2019. Photo credit: James Whatling / MEGA TheMegaAgency.com +1 888 505 6342