Eric II of Denmark was the illegitimate son of a king born in what year?
Eric I of Denmark Eric I (  1060 – 10 July 1103), also known as Eric the Good, (Danish: Erik Ejegod ), was King of Denmark following his brother Olaf I Hunger in 1095. He was a son of Sweyn II. His mother's identity is unknown. He married Boedil Thurgotsdatter.
Frederick IX of Denmark Frederick IX (Christian Frederik Franz Michael Carl Valdemar Georg; 11 March 1899 – 14 January 1972) was King of Denmark from 1947 to 1972.