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."
Christiansen Christiansen (] ) is a Danish and Norwegian patronymic surname, literally meaning "son of Christian". The spelling variant Kristiansen has identical pronunciation. Christiansen is the sixteenth most common name in Denmark, but is shared by less than 1% of the population.