Tolong jelaskan mengenai Keturunan dari Blanca dari Kastilia

PERNOUD, REGINE, LA REINE BLANCHE Publisher: ALBIN MICHEL, Paris, One French edition seen, dated: 1998 ISBN 2-226-01516-7 / 2-226-01516-7 ISBN 978-2-226-01516-7, Binding: Paperback. English edition: Blanche of Castile, by Regine Pernoud, 319 pages, (1975), Collins Ed. London . ISBN. 0002114933 (ISBN13: 9780002114936)

Isabelle, comtesse de Paris: Blanche de Castille, mon aïeule. Published 1991 by R. Laffont in Paris . Written in French. Includes bibliographical references (p. [96]-[97]). Classifications: Dewey Decimal Class 944/.023/092, B