Prince Ulrik of Denmark was a son of King Christian IV of Denmark and Norway and his consort Queen Anne Catherine of Brandenburg. Wikipedia
Born: February 2, 1611, Frederiksborg Castle, Hillerød, Denmark
Died: August 12, 1633 (age 22 years), Świdnica, Poland
Parents: Christian IV of Denmark and Anne Catherine of Brandenburg
Great-grandparents: Christian III of Denmark, Ulrich, Duke of Mecklenburg, Elizabeth of Denmark, Duchess of Mecklenburg, and more