Over what time period did the dynasty of which Eric Christoffersen of Denmark was a member provide the Kings of Denmark?
Eric Christoffersen of Denmark Eric Christoffersen (c. 1307 – c. 1332) (Danish: "Erik Christoffersen" ) was king of Denmark from 1321 until his death, jointly with his father, King Christopher II. He was a member of the House of Estridsen. In Danish, he is called "Erik, udvalgt Konge."
Sven Aggesen Svend Aggesen (or "Sven"; also known as "Aggessøn", "Aggesøn" or "Aagesen", in Latin "Sveno Aggonis"; born around 1140 to 1150, death unknown) is the author of "Brevis historia regum Dacie", one of the first attempts to write a coherent history of Denmark covering the period 300AD-1185AD. Only the "Chronicon Roskildense" may precede Aggesen's efforts.