Jeanne, comtesse de Flandre, approximately 1200-1244 (Personal Name)
- Earlier heading: Jeanne, of Constantinople, approximately 1200-1244
- Earlier heading: Jeanne, of Constantinople, ca. 1200-1244
- Earlier heading: Jeanne, countess of Flanders and Hainaut, 1188-1244
- Jeanne, countess of Flanders, approximately 1200-1244
Jeanne et Marguerite de Constantinople, c1995: t.p. (comtesses de Flandre et de Hainaut au XIIIe siècle) p. 9, etc. (daughter of Baudouin VI de Hainaut, IX de Flandre, Ier de Constantinople and Marie de Champagne) p. 23 (b. at beginning of 1200) p. 33, etc. (some historians give birth year 1188, others give 1200; date is probably around the years 1199-1200; married Ferdinand of Portugal in 1212; married Thomas de Savoie in 1237)
LC manual cat. (hdg.: Jeanne, countess of Flanders and Hainaut, 1188-1244)
La Grand encyc. (under Baudouin I, de Constantinople: Jeanne, b. 1188 in Valenciennes; succeeded her father in 1205, became comtesse de Flandre et Hainaut; d. 12-05-1244)
BnF, Sep 1, 2020: (Jeanne (1200?-1244 ; comtesse de Flandre))