His rebellion against Frederick I of Denmark in 1525 was defeated , and he fled Denmark , ending his life in the employ of Charles V , Holy Roman Emperor .
Norby governed various land possessions in Scandinavia , ruling Gotland from 1517 to 1525 .
Norby 's rebellion against Frederick I of Denmark in 1525 was defeated , and he fled Denmark , ending his life in the employ of Charles V , Holy Roman Emperor .
Norby governed various land possessions in Scandinavia , ruling Gotland from 1517 to 1525 .