Biote (Biette) CASSINEL

   General Notes:

Paraphrased from Wikipedia (the English in the article isn't the best)

called "la belle Italienne", the beautiful Italian woman, was the mistress of the Regent, later King of France Charles V the Wise. She was the first official mistress of a French monarch. Biette Cassinel was the daughter of François Cassinel († 1360), a sergeant in the Royal Army, and great-granddaughter of Bettino Cassinelli, who had immigrated from Italy to Paris....
She was the wife of Gerard de Montaigu the Elder... Charles had married in 1350 Joan of Bourbon and [between] 1357 and 1360 received [from] her three children... In 1363 he received from [Biette] a son, Jean, who was given the surname of [his mother's husband (de Montaigu), but Karl, who [was] known publicly [to be keeping] Biette as his mistress, [awarded] Jean de Montaigu the title of Bâtard de France.

   Marriage Information:

Biote married Gérard DE MONTAGU Seigneur de Montagu. (Gérard DE MONTAGU Seigneur de Montagu was born about 1330 and died on 15 Jul 1391.)

   Marriage Information:

Biote also married Charles V DE VALOIS King of France (1364-80). (Charles V DE VALOIS King of France (1364-80) was born on 21 Jan 1337 in Château de Vincennes, , France and died in 1380 in Château de Beaute-sur-Marne, , France.)