Marital arms of John, Duke of Lancaster as King of Castile ( Consort)
who married Constance or Costanza of Castile (1354-1394 ) on 21 Sep 1371,
daughter of Pedro the Cruel, King of Castile and Leon ( 1334-1369 ),
who reigned 1350-1366.
SOURCE, NOTES & CREDITS: Source for blazon: BGA, edition of 1884, reprint 1989, page 63, column one. Source for text: “Katherine” by Anya Seton, Houghton Mifflin Co., Boston, 1954; “Heraldry of the Royal Families of Europe”, by Louda and MacLagan, Clarkson N. Potter, Inc., Publishers, New York, 1981; “Katherine Swynford, The History of a Medieval Mistress” by Jeannette Lucraft, The History Press, The Mill, Brimscombe Port Stroud, Gloucestershire, 2006, 2010; “Mistress of the Monarchy” by Allison Weir, Ballantine Books, 2009; and various internet sources.
Costanza of Castile was recognized as the de jure Queen of Castile so the arms are shown as Castile impaled by Lancaster ( the kingdom by the dukedom … ).
John and Constance had one daughter, Catalina, (1372-1418 )
who married Enrique III of Castile (1379-1406 ) from whom followed the royal line of Spain.
The artwork is a rendition of John Hamilton Gaylor.
2018 1014
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