Born 26 of February 1418 in Germany as Count Palatine at Rhine and Duke in Bavaria. Parents: Johan, Count Palatine, and Katarina of Pomerania (sister of Erik of Pomerania).
King of Denmark 9 of April 1440, crowned in 1443. Elected King of Sweden in Arboga in Autumn 1440, became King in September 1441, crowned in Uppsala 14 of September 1441. Elected King of Norway 1442. Died 5 of January 1448.
Married 12 of September 1445 to Dorotea of Brandenburg (born abt 1430, died in November 1495), daughter of Margrave Hans of Brandenburg and Barbara of Saxony. Dorotea later married Kristian I.
Kristoffer was succeded by Karl Knutsson.