Jean de Brienne d'Acre

✓ Jean de Brienne 'd'Acre', Butler (Bouteiller) of France (d. 1296), son of John of Brienne, King of Jerusalem and Latin Emperor of Constantinople, and Berenguela of Leon - his charter of Oct 1294 for 'nostre pere le roy Jehan de Jherusalem et empereur de Costantinoble... et madame Berangiere sa fame jadis nostre mere'. m. (1) 1250/52 Jeanne de Chateaudun, mother of Blanche. Source: Medieval Lands (fmg.ac, Cawley), 'Jerusalem' (Brienne). [DIRECT ANCESTOR OF THE COMPILER: flag added 20 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]