Otto II, Margrave of Meissen

Otto II was the Margrave of Meissen from 1157 until his death in 1190. His father was Conrad the Great and his son was Dietrich I, Margrave of Meissen. He is a direct patrilineal ancestor of Queen Elizabeth II of the United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, King Albert II of Belgium

Albert II of Belgium

Albert II is the current reigning King of the Belgians, a constitutional monarch. He is a member of the royal house "of Belgium"; formerly this house was named Saxe-Coburg-Gotha...

 and Simeon II of Bulgaria.