 This further strained her relations with Alfonso and in 1254, shortly before her daughter Eleanor was to marry Edward of England, Joan and her eldest son Ferdinand left Castile and returned to her native Ponthieu.Sometime between May 1260 and 9 February 1261, Joan took a second husband, Jean de Nesle, Seigneur de Falvy et de La Hérelle (died 2 February 1292).This marriage is sometimes said to have produced a daughter, Béatrice, but she was in fact a child of Jean de Nesle's first marriage.