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