Catholic Encyclopedia - St. Isabel of France, daughter of Blanche of Castille and sister of St. Louis IX. Founded a convent of Poor Clares. Died 1270. www.newadvent.org/cathen/08179a.htm
For All the Saints - Short (and admittedly confused) biography of St. Isabel (or Isabelle) of France. Never formally canonized. users.erols.com/saintpat/ss/0226.htm#isab
