Philippe, Chevalier de Lorraine
Philippe of Lorraine( 1643 – 8 December 1702), known as the Chevalier de Lorraine, was a French nobleman and member of the House of Guise, cadet of the Ducal House of Lorraine.
He was the renowned lover of Philippe I, Duke of Orléans, brother of Louis XIV.
Philip, Duke of Orléans
Philip of Orléans( 1 July 1336 at Vincennes – 1 September 1375 at Orléans) was a Duke of Orléans, Touraine, and Count of Valois, the fifth son of King Philip VI of France and his wife Joan the Lame.
His father named him Duke of Orléans, a newly created duchy, in 1344.
Philippe I, Duke of Orléans
Philippe, Duke of Orléans (21 September 1640 – 9 June 1701) was the younger son of Louis XIII of France and his wife, Anne of Austria.
His older brother was the famous "Sun King", Louis XIV.
Styled Duke of Anjou from birth, Philippe became Duke of Orléans upon the death of his uncle Gaston in 1660.
In 1661, Philippe also received the dukedoms of Valois and Chartres.
Following Philippe's victory in battle in 1671, Louis XIV added the dukedom of Nemours, the marquisates of Coucy and Folembray, and the countships of Dourdan and Romorantin.
During the reign of his brother he was known simply as "Monsieur", the traditional style at the court of France for the younger brother of the king.
Although he was open about his homosexual behaviour and freely acted effeminately, he married twice and fathered several children.
He was the founder of the House of Orléans, a cadet branch of the ruling House of Bourbon, and thus the direct ancestor of Louis Philippe I, who ruled France from 1830 until 1848 in the July Monarchy.
Through the children of his two marriages, Philippe became an ancestor of most modern-day Roman Catholic royalty, giving him the nickname of "the grandfather of Europe".
He was also military commander at the Battle of Cassel in 1677.
Through careful personal administration, Philippe greatly augmented the fortunes of the House of Orléans.
Louise Diane d'Orléans
Louise Diane d'Orléans( 27 June 1716 – 26 September 1736) was the sixth daughter and last child of Philippe d' Orléans, Duke of Orléans(" Regent of the Kingdom" from 1715 to 1723) and his wife, Françoise Marie de Bourbon, the youngest legitimised daughter of King Louis XIV of France and his mistress, Madame de Montespan.
She was born during the Regency of Philippe d' Orléans, the Regent of Louis XV of France.
The Princess of Conti by marriage, she died in childbirth at the age of twenty.
Some sources refer to her as" Louis Diane".
Elizabeth Charlotte, Madame Palatine
Princess Elisabeth Charlotte (nicknamed "Lieselotte", 27 May 1652 – 8 December 1722) was a German princess and, as "Madame", the second wife of Philippe I, Duke of Orléans, younger brother of Louis XIV of France, and mother of France's ruler during the Regency.
Louis invoked her hereditary claim to the Palatinate as pretext to launch the Nine Years' War in 1688.
Her vast, frank correspondence provides a detailed account of the personalities and activities at the court of her brother-in-law, Louis XIV, for half a century, from the date of her marriage in 1672.
Philippe II, Duke of Orléans
Philippe II, Duke of Orléans (Philippe Charles; 2 August 1674 – 2 December 1723), was a member of the royal family of France and served as Regent of the Kingdom from 1715 to 1723.
Born at his father's palace at Saint-Cloud, he was known from birth under the title of Duke of Chartres.
His father was Louis XIV's younger brother Philippe I, Duke of Orléans, his mother was Elizabeth Charlotte of the Palatinate.
In 1692, Philippe married his first cousin, Françoise Marie de Bourbon – the youngest legitimised daughter ("légitimée de France") of Philippe's uncle Louis XIV and Madame de Montespan.
Named regent of France for Louis XV until Louis attained his majority on 15 February 1723, the period of his "de facto" rule was known as the Regency (1715–23).
He died at Versailles in 1723.
He is also referred to as "le Régent".
Philip, Count of Vertus
Philip of Orléans, Count of Vertus( 21/24 July 1396 – 1 September 1420), was the second son of Louis I, Duke of Orléans, and Valentina Visconti, and a grandson of Charles V of France.
His older brother was the noted poet Charles, Duke of Orléans and his younger brother was John, Count of Angoulême.
Prince Robert, Duke of Chartres
Prince Robert Philippe Louis Eugène Ferdinand of Orléans, Duke of Chartres( November 9, 1840 – December 5, 1910) was the son of Prince Ferdinand Philippe, Duke of Orléans, and thus grandson of King Louis- Philippe of France.
He fought for the Union in the American Civil War, and then for France in the 1870 Franco- Prussian War.
In 1863 he married his cousin Princess Françoise of Orléans, the daughter of François, Prince of Joinville.
In 1886, he was exiled from France.
Princess Anne Charlotte of Lorraine
Anne Charlotte of Lorraine( 17 May 1714 – 7 November 1773) was the Abbess of Remiremont and Mons.
She was the thirteenth of fifteen children of Leopold, Duke of Lorraine, and his spouse Élisabeth Charlotte d' Orléans.
Her mother was the niece of Louis XIV of France and sister of Philippe II, Duke of Orléans and Regent of France during the minority of Louis XV.
Prince Philippe, Duke of Orléans (1869–1926)
Philippe, Duke of Orléans( Prince Louis Philippe Robert d' Orléans; 6 February 1869 – 28 March 1926) was the Orléanist claimant to the throne of France from 1894 to 1926.

Question: When was Philippe Ii, Duke Of Orléans's father born?
Answer: 21 September 1640