His mother was Isabelle of Angouleme, the second wife of King John, his father was Hugo of Lusignan, the count of La Marche, whom Isabelle married in 1220.
On the left bank the two old forts Isabelle and Marie alone defend the Scheldt.
On the 30th of May 1864 he married his cousin, the princess Marie Isabelle, daughter of the duc de Montpensier; and his son and heir, the duc d'Orleans, was born at York House, Twickenham, in 1869.
But in 1202 the war was renewed, John having seized some castles from the family of Lusignan, whose head was the count of La Marche, and taken for his queen a prospective bride, Isabelle Taille*, from Hugh, son of Hugh IX., count of La Marche.
The novel seems to be based on Isabelle de Charrière's own unfortunate infatuation with an unknown man.