Blanche (of Acre) DE BRIENNE , Baroness Tingry

  General Notes:

https://en.wikipedia.org/wiki/Blanche_de_Brienne,_Baroness_Tingry
Blanche was born in about the year 1252 in France. She was the only child and heiress of Jean de Brienne, Grand Butler of France, and his first wife, Jeanne, Dame de Chateaudun, widow of Jean I de Montfort. Her paternal grandparents were John of Brienne, King of Jerusalem, Emperor of Constantinople, and Berenguela of Leon, and her maternal grandparents were Geoffrey VI, Viscount de Chateaudun and Clémence des Roches. Blanche had a uterine half-sister Beatrice de Montfort, Countess of Montfort-l'Amaury from her mother's first marriage to Jean I de Montfort (died 1249 in Cyprus). In 1260, Beatrice married Robert IV of Dreux, Count of Dreux, by whom she had six children.

Blanche was co-heiress to her mother, by which she inherited Loupeland in Maine

Blanche is ancestress of Edward IV and all subsequent English monarchs. Her other descendants include Lady Margaret Beaufort (mother of King Henry VII) and queen consorts Elizabeth Woodville, Lady Anne Neville, Anne Boleyn, Jane Seymour, Catherine Howard, and Catherine Parr.

Blanche married Guillaume II (William) DE FIENNES , Lord of Wendover, son of Enguerrand II DE FIENNES , Baron de Tingry & de Ruminghen and Isabelle DE CONDÉ, in 1269. (Guillaume II (William) DE FIENNES , Lord of Wendover was born about 1250 and died on 11 Jul 1302 in Battle of Courtrai, Flanders, Belgium.)