 With Robert Cecil 's support , George Calvert came into his own as an advisor and supporter of King James . In 1610 and 1611 , Calvert undertook missions to the continent on behalf of the King , visiting a number of embassies in Paris , Holland , and the Duchy of <unk> , and acting as an ambassador to the French Royal Court during the coronation of King Louis XIII , ( <unk> @-@ 1643 ) , in 1610 . A correspondent from France reported that Calvert gave " everyone great contentment with his discreet conversation . " In 1615 , James sent him to the continental <unk> of the <unk> ( German ) , in the Holy Roman Empire , whose impoverished <unk> , Frederick V , <unk> <unk> , ( 1596 @-@ 1632 ) , had married James 's daughter Elizabeth of Bohemia , ( 1596 @-@ 1662 ) , in 1613 . Calvert had to convey the King 's disapproval that Elizabeth , for lack of money , had given away expensive jewels to a <unk> leaving her employ . <unk> Frederick 's decision in 1619 to accept the throne of Bohemia triggered a war with the powerful neighboring Habsburgs dynasty of Austria to the southwest in Vienna , which James attempted to end through a proposed alliance with the Kingdom of Spain . 
