Prince George celebrates his eleventh birthday with his parents Prince William of Wales and Catherine Princess of Wales, Kate Middleton and his siblings Princess Charlotte and Prince Louis in London. George is the eldest grandchild of King Charles III and is second in the line of succession to the British throne behind his father. 08 May 2019 Pictured: Prince George celebrates his eleventh birthday with his parents Prince William of Wales and Catherine Princess of Wales, Kate Middleton and his siblings Princess Charlotte and Prince Louis in London. George is the eldest grandchild of King Charles III and is second in the line of succession to the British throne behind his father.,Image: 891342949, License: Rights-managed, Restrictions: NO Netherlands, Unknown Country, Model Release: no, Credit line: MEGA / The Mega Agency / Profimedia