On the afternoon of Tuesday, April 7, 2015, Their Serene Highnesses Prince Albert II and Princess Charlene of Monaco accompanied by Her Royal Highness Princess Caroline of Hanover and her children, and Her Serene Highness Princess Stephanie of Monaco and her children arrived at the Cathédrale de Monaco in Monaco-ville to attend a special memorial Mass in honor as well as remembrance of the 10th anniversary of the death of His Serene Highness the late Prince Rainier III of Monaco.