Jonas Charisius

[1] In April 1599 Charisius was included as a physician in Christian IV's voyage to the north of Norway, Nordkapp (Bjørnøya), and towards Russia.

[4] In February 1603, Alexander Covert and a merchant Richard Lewis, representing the Eastland Company, were sent to Denmark for a follow-up meeting about the passage of English ships through the Sound with Charisius and the others.

[8] Amongst other matters, Charisius told King James that Christian IV recommended and supported the planned marriage of his daughter Princess Elizabeth (1596-1662) to Frederick V of the Palatinate (1596-1632).

James was pleased with the idea that Christian IV would now "deal in that business" and wanted Cecil to speak about the plans with "Doctor Jonas".

[12] The Venetian ambassador in London, Antonio Foscarini, noted in October 1611 that Charisius was successful in his mission, due in part to the influence of Anne of Denmark, who was able to secure private audiences with the king for Danish diplomats, in this case at Hampton Court.

He told Foscarini that Christian IV intended to support the weaker faction in Sweden in the conflict between Gustavus Adolphus and John II Casimir Vasa, in order to further his own territorial interests and ambitions, which included establishing the Danish crown as a hereditary monarchy and joining the Holy Roman Empire.

[20] Charisius bought paintings and musical instruments for Christian IV in the Netherlands,[21] and in 1619 sent him portraits of King James and the late Anne of Denmark.

[22] Charisius promoted the career of the artist Pieter Isaacsz, a former pupil of Hans von Aachen, who returned to Denmark to become a court painter in 1614.