Prince Ulrik of Denmark was a son of King Christian IV of Denmark and Norway and his consort Queen Anne Catherine of Brandenburg. As the fourth-born son, he bore the merely titular rank of Duke of Hol
Duke Ulrik by Wolfgang Heimbach, Rosenborg Slot
Ulrik of Denmark by Jacob van Doort, ca. 1615
Anne Catherine of Brandenburg was Queen of Denmark and Norway from 1597 to 1612 as the first spouse of King Christian IV of Denmark.
Portrait by Remmert Pietersz, c. 1600
Anne Catherine with her son Christian, the Prince-elect in 1611, by Jacob van Doort