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.
Princess Antoinette of Anhalt Princess Antoinette of Anhalt (German: "Antoinette Anna Alexandra Marie Luise Agnes Elisabeth Auguste Friederike" ; 3 March 1885 – 3 April 1963) was a Princess of Anhalt by birth. As the wife of Prince Frederick of Schaumburg-Lippe, she became a Princess of Schaumburg-Lippe by marriage.