Jeanne de Bourbon-Vendôme

Jeanne de Bourbon (1465 – 22 January 1511) was a daughter of John II, Count of Vendôme and Isabelle de Beauvau. Through her daughter Madeleine, she was the maternal grandmother of French queen consort Catherine de' Medici.

She was a daughter of John II, Count of Vendôme and Isabelle de Beauvau. Her maternal grandparents were Louis de Beauvau, Seneschal of Anjou and Marguerite de Chambley.

Her paternal grandparents were Louis, Count of Vendôme and Jeanne of Laval. Louis had served as both Grand Chamberman of France and Grand Master of France. He was a prominent member of the Armagnac party.

Louis was the second son of John I, Count of La Marche and Catherine of Vendôme. John was a prominent soldier in the Hundred Years' War.

John was in turn the second son of James I, Count of La Marche and Jeanne of Châtillon. James was a Constable of France but was killed in the Battle of Brignais.

James was the second surviving son of Louis I, Duke of Bourbon and Mary of Avesnes. Louis served as a Grand Chamberman of France but gained a reputation for his supposed mental instability.

Louis was the eldest son of Robert, Count of Clermont and Beatrix of Bourbon. Beatrix was the heiress of the Bourbon family and the matriarch of the new Bourbon line of the Capetian dynasty.