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."
House of Sverre The House of Sverre (Norwegian: "Sverreætten" ) was a royal house or dynasty which ruled, at various times in history, the Kingdom of Norway, hereunder the kingdom's realms, and the Kingdom of Scotland. The house was founded with King Sverre Sigurdsson. It provided the rulers of Norway from 1184 to 1319.