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.
Judith of Hohenstaufen Judith of Hohenstaufen, also known as "Judith of Hohenstaufen" or "Judith of Swabia" (  1133/1134 – 7 July 1191), a member of the Hohenstaufen dynasty, was Landgravine of Thuringia from 1150 until 1172 by her marriage with the Ludovingian landgrave Louis II. She was baptized as "Judith", but was commonly called "Jutta" or "Guta". Sometimes the Latinate form "Clementia" was used, or "Claritia" or "Claricia".