Christian V of Denmark — By Jacques d'Agar - Frederiksborg Museum, cropped
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=40329662

Copenhagen Castle painted in 1698 — Painting of Copenhagen Castle on Slotsholmen in Copenhagen, Denmark, a precussor of pressent-day Christiansborg Palace on the same site. The square Blue Tower which achieved an infamous reputation as a prison for Leonora Christina is seen in the picture. Also seen in the picture is the Assembly Building with government offices and a meeting hall for the Privy Council (Rigsrådet)
Photo Credit: By Unknown - Public Domain, https://commons.wikimedia.org/w/index.php?curid=12093309

Frederik III of Denmark and his wife Sofia Amalia — Probably painted shortly after their marriage 1643
Photo Credit: By Unknown - Public Domain, https://commons.wikimedia.org/w/index.php?curid=29003368

Glücksburg Castle — Aerial view of Glücksburg Castle in Glücksburg
Photo Credit: By Wolfgang Pehlemann - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=21693722

Sophie Amalie of Brunswick-Lüneburg — cropped
Photo Credit: By Unknown - Public Domain, https://commons.wikimedia.org/w/index.php?curid=29003368

Frederick III of Denmark —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=3182873

Anne Catherine of Brandenburg —
Photo Credit: By Unkknown - Public Domain, https://commons.wikimedia.org/w/index.php?curid=7988207

Coronation of Christian IV of Denmark — History painting by Otto Bache, 1887
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=639047

Frederiksborg Castle — By Johannes van Wijck, circa 1585
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=15319536

Christian IV of Denmark — cropped By Pieter Isaacsz 1612
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=15319431

Ub Iwerks — cropped circa 1929
Photo Credit: https://en.wikipedia.org/w/index.php?curid=3519208