What is the birthdate of this King of Denmark and Norway, of whom Mogens Gaye was the Royal councillor?
Mogens Gøye: Mogens Gøye (surname also spelled Gøje or Gjøe) (ca. 1470 – 6 April 1544) was a Danish statesman and Steward of the Realm, whose enormous wealth earned him the derogatory nickname "the King of Northern Jutland". Mogens Gøye:  Gøye was the Royal councillor of Danish Kings John I, the feuding Christian II and Frederick I, and Christian III. Frederick I of Denmark: Frederick I (7 October 1471 – 10 April 1533) was the King of Denmark and Norway.
7 October 1471