Isabella, Countess of Brienne suo jure Countess of Lecce and Conversano, claimant to Duchy of Athens and Kingdom of Jerusalem[1][2][3]
Family
Father: Walter V of Brienne, Duke of Athens (d. 1311 Battle of Halmyros near Thebes, Greece). As granddaughter of Hugh of Brienne, Count of Lecce etc., she descended from Kings of Jerusalem and of Cyprus.
Sibling: Walter VI of Brienne (d.1356 killed Battle of Poitiers)
m. Walter of Enghien (d.1345)
Issue
Walter of Enghien (June 5, 1322 – November 18, 1340)
Isabella or Isabeau of Enghien (d. December 28, 1357), Abbess of Flines
Sohier of Enghien (d. March 21, 1364), Count of Brienne, titular Duke of Athens.
John of Enghien, (d. 1380), Count of Lecce and Lord of Castro
Marguerite of Enghien m. Pierre de Préaux
Louis of Enghien (d. 17 Mar 1394), Lord (later Count) of Conversano, later Count of Brienne and titular Duke of Athens m. Giovanna of Sanseverino, they had 4 daughters: heiress, Marguerite m. John of Luxembourg, Sire of Beauvois. Mary, Queen of Scots and Queen consort Elizabeth Woodville were notable descendants.
Jacques of Enghien, a canon in Liège
Guy of Enghien,(d. 1377), Lord of Argos and Nauplia
Engelbert I of Enghien (c. 1330–Feb 20, 1403), Lord of Ramerupt, La Follie, and Seneffe
Françoise of Enghien, married Peter, Count of Montebello
Thank you!