Constance [b] c. 1202  [d] Las Huelgas, 1243
A nun at the Cistercian monastery of Santa María la Real at Las Huelgas in 1217, she became known as the Lady of Las Huelgas, a title shared with later royal family members who joined the community.
 Shadis, Miriam (2010). Berenguela of Castile (1180–1246) and Political Women in the High Middle Ages. Palgrave Macmillan. ISBN 978-0-312-23473-7. p 4.