Who was Jutta of Saxony's father-in-law?
Eric IV of Denmark Eric IV, also known as Eric Ploughpenny or Eric Plowpenny (Danish: "Erik Plovpenning" ), (  1216 – 10 August 1250) was king of Denmark from 1241 until his death in 1250. He was the son of King Valdemar II by his wife, Berengaria of Portugal, and brother of King Abel and King Christopher I.
Archduke Géza of Austria Archduke Géza of Austria (given names: "Géza Ladislaus Euseb Gerhard Rafael Albert Maria"; born 14 November 1940, in Budapest), in Austria and Hungary only known by law as Géza Habsburg-Lothringen, is the son of Archduke Joseph Francis of Austria (1895–1957) and his wife Princess Anna of Saxony (1903–1976) thus he is a grandson of King Frederick Augustus III of Saxony and great-great grandson (on his father's mother's side) of Emperor Franz Joseph I of Austria and his wife Elisabeth of Bavaria (Sissi). Géza is a Fabergé expert and has published many books and articles on the jewellers Peter Carl Fabergé and Victor Mayer. He is the curator of several major international Fabergé exhibitions.