Elizabeth Beers-Curtis
Elizabeth Beers- Curtis de Talleyrand- Périgord, Marquise de Talleyrand( November 12, 1847 March 30, 1933) was an American heiress who married into the French aristocracy.
Hélie de Talleyrand-Périgord, Duke of Sagan
Marie Pierre Louis Hélie de Talleyrand- Périgord( August 23, 1859 – October 25, 1937), 5th Duke of Talleyrand and Dino, Prince, then Duke of Sagan, was a French socialite and son of Boson de Talleyrand- Périgord.
Louis de Talleyrand-Périgord
Napoléon- Louis de Talleyrand- Périgord, duc de Valençay, 3rd duc de Talleyrand- Périgord( 12 March 1811 – 21 March 1898) was a French aristocrat, soldier and politician.
Abbo of Auxerre
Abbo of Auxerre was a Benedictine abbot and bishop of Auxerre.
He had been a monk, and later abbot, of the Abbey of Saint- Germain d' Auxerre, and succeeded his brother Heribald of Auxerre as bishop of Auxerre.
He resigned from the see in 859.
He assisted in the synod of Poncy in 860, and died on 3 December that year.
He is not listed in the Roman Martyrology, the official but incomplete list of saints recognized by the Roman Catholic Church.
His biography is included in" Les Petits Bollandistes".
Hélie de Talleyrand-Périgord (cardinal)
Hélie de Talleyrand-Périgord (1301–17 January, 1364) was a French Cardinal, from one of the most aristocratic families in Périgord, south-west France.
Hélie was born at Périgueux, third son of Elias VII, Count of Périgord, and Brunissende of Foix, daughter of Roger Bernard III, comte de Foix.
His elder brothers were Archambaud (IV), who inherited the County, and Roger-Bernard (who married Eleanor, daughter of Bouchard, Comte de Vendôme);
his younger brother was Fortanier, and his sisters were Agnes (who married John of Sicily Duke of Durazzo and de Gravina in 1321), Jeanne (who married Ponce, Seigneur de Castillon), Marguerite (who married Éméric de Lautrec), and Rosemburge (who married Jacques de Lavie, grand-nephew of Pope John XXII).
As a third son Hélie was destined for an ecclesiastical career.
His brother, Roger Bernard, too, had an ecclesiastical career, becoming Canon of Lyon.
But then, the eldest son died, and Roger-Bernard became the Count of Périgord.
Hélie became a major figure in the Avignon papacy, and also a diplomat engaged in the negotiations of the Hundred Years' War, having friendships in both English and French royal families.
In his last months he had been appointed Papal Legate for a crusade against the Turks.
Brunissende of Foix
Brunissende of Foix (died September 1324) was a daughter of Roger-Bernard III, Count of Foix by his wife Margaret, Viscountess of Béarn.
By marriage, she became Countess of Périgord, her husband was Count Elias VII.
According to several sources, Brunissende had influence in the politics of the newly formed Avignon Papacy due to her close relationship with Pope Clement V.
This arrangement supposedly enabled Brunissende to ensure a clerical career for her son, Hélie, who would go on to have an influential career as a cardinal.
Pauline de Talleyrand-Périgord
Joséphine Pauline de Talleyrand- Périgord, Marquise de Castellane( 29 December 1820 12 October 1890) was a French noblewoman.
Catherine Grand
Catherine Noël Grand( née Worlée; November 21, 1761 – December 10, 1834) was the mistress and later the wife of French diplomat Charles Maurice de Talleyrand- Périgord, the first Prime Minister of France.
From their marriage in 1802 until her death she was Catherine Noël Grand de Talleyrand- Périgord, Princesse de Bénévent.
Madame Grand was known for her striking Nordic beauty, as well as her ingenuous public comments.
Alexandre Angélique de Talleyrand-Périgord
Alexandre Angélique de Talleyrand- Périgord( 16 October 1736, Paris – 20 October 1821, Paris) was a French churchman and politician, and the paternal uncle of Charles- Maurice de Talleyrand- Périgord( 1754 – 1838).
Maurice de Talleyrand-Périgord
Charles Maurice Camille de Talleyrand- Périgord, 4th Duke of Dino, 2nd Marquis de Talleyrand( 25 January 1843 – 5 January 1917) was a French aristocrat, soldier, and author who married two different American heiresses.

Question: Who is the maternal grandfather of Hélie De Talleyrand-Périgord (Cardinal)?
Answer: Roger-Bernard III, Count of Foix