Philippe, Duke of Anjou
Philippe of France, Duke of Anjou( 30 August 1730 – 7 April 1733) was a French prince and the second son of king Louis XV of France and Marie Leszczyńska.
He was styled Duke of Anjou from birth.
Maria Teresa Rafaela of Spain
Maria Teresa Rafaela of Spain
( María Teresa Antonia Rafaela; 11 June 1726 – 22 July 1746) was an" Infanta of Spain" by birth and Dauphine of France by marriage to Louis, Dauphin of France, son of Louis XV of France.
She died aged 20, three days after giving birth to a daughter who died in 1748.
Charles, Duke of Berry (1686–1714)
Charles of France, Duke of Berry,( 31 July 1686 – 5 May 1714) was a grandson of Louis XIV of France.
Although he was only a grandson of Louis XIV, Berry held the rank of" fils de Franceson of France"), rather than" petit- fils de Francegrandson of France"), as the son of the Dauphin, heir apparent to the throne.
The Duke of Berry was for seven years heir presumptive to the throne of Spain( 1700 – 1707), till his brother Philip V fathered a son in 1707.
Louis, Duke of Guyenne
Louis (22 January 1397 – 18 December 1415) was the eighth of twelve children of King Charles VI of France and Isabeau of Bavaria.
He was their third son and the second to hold the titles Dauphin of Viennois and Duke of Guyenne, inheriting them in 1401, at the death of his older brother, Charles (1392–1401).
Louis was born between the eighth and ninth hours of the evening in the royal Hôtel Saint-Pol in Paris.
He was baptised the next day in the parish church of Saint-Paul, with eight prelates attending, including the abbot of Saint-Denis.
Present also was a large assembly of noblemen and ladies.
The infant was carried to the font by Duke Louis of Orléans, Pierre "le Bègue de Villaines" and Countess Joan of Ligny.
They gave him the name Louis and the archbishop of Vienne performed the baptism.
Marie Adélaïde of Savoy
Marie Adélaïde of Savoy, Princess of Savoy( 6 December 1685 – 12 February 1712) was the wife of Louis, Dauphin of France, Duke of Burgundy.
She was the eldest daughter of Duke Victor Amadeus II of Savoy and of Anne Marie d'Orléans.
Her betrothal to the Duke of Burgundy in June 1696 was part of the Treaty of Turin, signed on 29 August 1696.
She was the mother of the future King Louis XV of France.
Styled as Duchess of Burgundy after her marriage, she became Dauphine of France upon the death of her father- in- law, Le Grand Dauphin, in 1711.
She died of measles in 1712, followed by her husband a week later.
Philippe Charles, Duke of Anjou
Philippe- Charles of France, Duke of Anjou( 5 August 1668 – 10 July 1671) was the fifth child and second son of Louis XIV, King of France and his wife, the Infanta Maria Teresa of Spain, and as such was a" Fils de France".
Marie Émilie de Joly de Choin
Marie Émilie Thérèse de Joly, "Mademoiselle de Choin" (2 August 1670 – 1732) was a French lady-in-waiting, the lover and later the morganatic spouse of Louis, Dauphin of France.
As a morganatic spouse, she was not styled Dauphine of France.
Charles VI of France
Charles VI (3 December 1368 – 21 October 1422), called the Beloved  and the Mad (or "le Fou"), was King of France for 42 years from 1380, until his death.
Louis, Dauphin of France (son of Louis XV)
Louis, Dauphin of France( 4 September 1729 – 20 December 1765) was the elder and only surviving son of King Louis XV of France and his wife, Queen Marie Leszczyńska.
He had a younger brother, Philippe, who died as a toddler.
As a son of the king, Louis was a" fils de France".
As heir apparent, he became Dauphin of France.
However, he died before ascending to the throne.
Three of his sons became kings of France: Louis XVI( reign: 1774–1792), Louis XVIII( reign: 1814–1815; 1815–1824) and Charles X( reign: 1824–1830).
Louis, Duke of Burgundy
Louis, Duke of Burgundy and later Dauphin of France( 16 August 1682 – 18 February 1712) was the eldest son of Louis, Grand Dauphin, and father of Louis XV, and briefly heir- apparent to the throne from his father's death in April 1711 to his own death 10 months later.
Until he became the official Dauphin of France upon his father's death in 1711, he was known as Le Petit Dauphin to distinguish him from his father, who was known as" le Grand Dauphin".

Question: When did Louis, Duke Of Guyenne's father die?
Answer: 21 October 1422