Wedding portrait of King Ferdinand II of Aragón and Queen Isabella of Castile —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=7366625

Ferdinand II of Aragon, the Catholic —
Photo Credit: By Michael Sittow - Public Domain, https://commons.wikimedia.org/w/index.php?curid=4714691

Isabella I of Castile — Cropped from the painting Virgen de la mosca at the Collegiate church of Santa María la Mayor
Photo Credit: By Escuela flamenca (??) - Public Domain, https://commons.wikimedia.org/w/index.php?curid=116291

Joanna around the time of her marriage, c. 1496 —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=4624955

Joanna with her parents, Isabella and Ferdinand — "Rimado de la conquista de Granada", by Pedro Marcuello, c. 1482
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=5144510

Joanna of Castile — cropped
Photo Credit: By Juan de Flandes - Public Domain, https://commons.wikimedia.org/w/index.php?curid=4766233

Charles V, Holy Roman Emperor — cropped
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=20437575

Philip I of Castile — cropped
Photo Credit: By Juan de Flandes - Public Domain, https://commons.wikimedia.org/w/index.php?curid=4624882

Vladislaus II Jagiellon of Bohemia and Hungary —
Photo Credit: By Master of Litoměřice Altarpiece - Public Domain, https://commons.wikimedia.org/w/index.php?curid=3259340

Flag of Hungary —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=343602

Buda in the Middle Ages — Woodcut of Buda (Budapest) from the Nuremberg Chronicle
Buda was the ancient capital of the Kingdom of Hungary and since 1873 has been the western part of the Hungarian capital Budapest, on the west bank of the Danube.
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=882176