King Alfonso IV of Portugal —
Photo Credit: By António de Holanda - Public Domain, https://commons.wikimedia.org/w/index.php?curid=35920815

Beatrice of Castile (1242–1303) —
Photo Credit: By António de Holanda - Public Domain, https://commons.wikimedia.org/w/index.php?curid=35921424

King Denis of Portugal, the Rei Lavrador, and Queen Elizabeth of Portugal —
Photo Credit: By Carlos Falch (Danish, fl. 1640) - Public Domain, https://commons.wikimedia.org/w/index.php?curid=6964697

Pedro el Grande —
Photo Credit: By Villani - Public Domain, https://commons.wikimedia.org/w/index.php?curid=30835309

Queen Santa Isabel — and the Miracle of the Roses; c. 1540
Photo Credit: By unknown; Portuguese school - Public Domain, https://commons.wikimedia.org/w/index.php?curid=21039505

Denis I of Portugal — In Dialogos de varia historia em que summariamente se referem muytas cousas antiguas de Hespanha (1594)
Photo Credit: By Unknown author - Public Domain, https://commons.wikimedia.org/w/index.php?curid=68862455

Afonso III - Effigy on a coin —
Photo Credit: By cgb - http://www.cgb.fr/portugal-royaume-de-portugal-alphonse-iii-dit-le-boulonnais-marabotin-n-d-,v33_1500,a.html, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=89227173

Sancho II, King of Portugal —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=38451624

King Afonso II of Portugal —
Photo Credit: By Unknown author - Public Domain, https://commons.wikimedia.org/w/index.php?curid=38451561

King Sancho I of Portugal —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=38451515

Fernando Afonso of Portugal —
Photo Credit: By Internet Archive Book Images - No restrictions, https://commons.wikimedia.org/w/index.php?curid=43782063