Coat of Arms of Roger I of Sicily — By Coat of Arms and Shield of León (1284-1390).svg: HeralderDerivate work: The White Lion - Cantarella, Glauco Maria (1988) La Sicilia e i Normanni. Le fonti del mito, Bologna: Patron, p. 134 ISBN: 9788855520775., CC BY-SA 3.0, Photo Credit: https://commons.wikimedia.org/w/index.php?curid=62631813
Coat of Arms of Roger I of Sicily
By Coat of Arms and Shield of León (1284-1390).svg: HeralderDerivate work: The White Lion - Cantarella, Glauco Maria (1988) La Sicilia e i Normanni. Le fonti del mito, Bologna: Patron, p. 134 ISBN: 9788855520775., CC BY-SA 3.0,
Charter by which Petronilla abdicated in favour of her son — Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=4504794
Peter I of Aragon — Late and fanciful painting of Peter I Photo Credit: By Manuel Aguirre y Monsalbe - Public Domain, https://commons.wikimedia.org/w/index.php?curid=1107347