Marguerite de Baugé

Marguerite de Baugé (1200–1252), also known as Marguerite de Bâgé, Marguerite de Baujé and as the Dame de Miribel, was a French noblewoman. She brought the as part of her dowry when she married Humbert V, Constable of France under King Louis IX in 1219. with whom she had six children: Guichard, Isabelle, Sibille, Béatrix, Marguerite and Jeanne.

In about 1229-1230 or 1238, she founded the charterhouse of Poleteins in Bresse; In 1229, she confirmed a treaty made between her husband and Guy, Abbot of the monastery of Île Barbe.

DNA Her maternal lineage traces to Pierre Terrail, seigneur de Bayard - the French national hero known as the knight "without fear and beyond reproach". De Baugé shares mtDNA haplogroup H10e with Pierre Terrail, whose remains were DNA-tested in 2017.