Jacques Léopold de La Tour d'Auvergne
Jacques Léopold de La Tour d'Auvergne( Jacques Léopold Charles Godefroy; 15 January 1746 – 7 February 1802) was a member of the House of La Tour d'Auvergne, the sovereign dukes of Bouillon.
He was the last Duke of Bouillon succeeding his father in 1792.
Jeanne de Bourbon, Duchess of Bourbon
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 and the great-grandmother of French Kings Francis II, Charles IX, and Henry III.
Godefroi, prince de La Tour d'Auvergne-Lauraguais
Henri-Godefroi-Bernard- Alphonse, prince de La Tour d' Auvergne, marquis de Saint- Paulet( 21 October 1823 – 5 May 1871) was a French politician of the Second Empire who twice served as Minister of Foreign Affairs for Emperor Napoleon III.
De La Tour d'Auvergne was Ambassador of France to London( 1863 – 69), in which capacity he was a signatory to the Treaty of London in 1867.
Godefroy Maurice de La Tour d'Auvergne, Duke of Bouillon
Godefroy Maurice de La Tour d' Auvergne, Duke of Bouillon( 21 June 1636 – 26 July 1721) was a French nobleman and member of the House of La Tour d'Auvergne, one of the most important families in France at the time.
He married Marie Anne Mancini, niece of Cardinal Mazarin and had seven children.
Godefroy de La Tour d'Auvergne
Godefroy de La Tour d'Auvergne( Godefroy Charles Henri; 26 January 1728, Paris – 3 December 1792) was a member of the House of La Tour d'Auvergne, the Sovereign Dukes of Bouillon.
He was subsequently the penultimate Duke of Bouillon succeeding his father in 1771.
Madeleine de La Tour d'Auvergne
Madeleine de La Tour d'Auvergne (1498 – 28 April 1519) was a younger daughter of Jean III de La Tour (1467– 28 March 1501), Count of Auvergne and Lauraguais, and Jeanne de Bourbon, Duchess of Bourbon (1465–1511).
She was a penultimate representative of the senior branch of the house de La Tour d'Auvergne.
Madeleine is best known for being the mother of Catherine de' Medici, the future Queen of France.
Marie Louise de La Tour d'Auvergne
Marie Louise de La Tour d' Auvergne( Marie Louise Henriette Jeanne; 15 August 1725 – 1793) was a French noblewoman and member of the House of La Tour d'Auvergne.
She was the Princess of Guéméné by marriage.
Emmanuel Théodose de La Tour d'Auvergne (1668–1730)
Emmanuel Théodose de La Tour d' Auvergne( 1668 – 17 April 1730) was a French nobleman and ruler of the Sovereign Duchy of Bouillon.
He was the son of Godefroy Maurice de La Tour d'Auvergne and his wife Marie Anne Mancini.
He married four times and had eleven children.
Charles Godefroy de La Tour d'Auvergne
Charles Godefroy de La Tour d'Auvergne( 16 July 1706 – 24 October 1771) was a French nobleman and member of the powerful House of La Tour d'Auvergne.
Louis Henri de La Tour d'Auvergne
Louis Henri de La Tour d'Auvergne( 2 August 1679 – 3 August 1753) was a French nobleman and member of the House of La Tour d'Auvergne.
Given the title" comte d' Évreux" at birth, he later became a lieutenant of the King's armies.
He is sometimes called Henri Louis.
He had no children and thus no descendants.

Question: Who is Madeleine De La Tour D'Auvergne's maternal grandmother?