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.
Anna of Saxony (1567–1613) Anna of Saxony (16 November 1567 - 27 January 1613), was a German noblewoman member of the House of Wettin (Albertine branch) and by marriage Duchess of Saxe-Coburg-Eisenach.