Louis II, Cardinal of Guise
Louis II, Cardinal of Guise( 6 July 1555, Dampierre – 24 December 1588, Château de Blois), was the third son of Francis, Duke of Guise, and Anna d' Este.
Francis V, Duke of Modena
Francis V, Duke of Modena, Reggio and Guastalla, Archduke of Austria-Este, Royal Prince of Hungary and Bohemia, Duke of Mirandola and of Massa, Prince of Carrara (1 June 1819 – 20 November 1875) was a reigning prince.
He was Duke of Modena, Reggio, and Mirandola, Duke of Guastalla from 1847 and Duke of Massa and Prince of Carrara from 1846 to 1859.
His parents were Francis IV of Modena and Princess Maria Beatrice of Savoy.
He was the last reigning Duke of Modena before the duchy was incorporated into the Kingdom of Italy.
Princess Adelgunde of Bavaria
Princess Adelgunde of Bavaria (19 March 1823 – 28 October 1914) was a daughter of Ludwig I of Bavaria and Therese of Saxe-Hildburghausen.
She was Duchess consort of Modena by her marriage to Francis V, Duke of Modena.
Laura Martinozzi
Laura Martinozzi( 27 May 1639 – 19 July 1687) was a Duchess consort of Modena by marriage to Alfonso IV d' Este, Duke of Modena.
She served as regent of Modena during the minority of her son Francesco from 1662 until 1674.
Marie of Brittany, Viscountess of Rohan
Marie of Brittany( 1444 – 1506) was the younger daughter of Francis I, Duke of Brittany, by Isabella, daughter of King James I of Scotland.
She was married to John II, Viscount of Rohan and Count of Porhoët.
Alfonso IV d'Este, Duke of Modena
Alfonso IV d' Este( 14 October 1634 – 16 July 1662) was Duke of Modena and Reggio from 1658 until his death.
He was the father of Mary of Modena, consort of James II of England.
Alfonso was born in Modena, the eldest son of Francesco I d' Este, Duke of Modena, and his first wife, Maria Caterina Farnese.
He became Duke of Modena and Reggio after his father's death in 1658.
Alfonso's health was poor and he suffered from gout and tuberculosis.
He died four years into his reign.
In 1655 he married Laura Martinozzi, Cardinal Mazarin's niece, thus strengthening his alliance with France.
On Laura's sixteenth birthday, 27 May 1655, she was married to the Duke of Modena by proxy at the Palace of Compiègne, with the Count of Soissons standing in the place of the Duke of Modena.
They had two children, Maria and Francesco, who went on to become Queen of England and Duke of Modena respectively.
In 1659 the Franco- Spanish War came to an end and Modena was rewarded with the town of Correggio for supporting France.
He was succeeded by his two- year- old son, under the regency of his widow.
Lucrezia Barberini
Lucrezia Barberini( 24 October 1628 – 24 August 1699) was an Italian noblewoman and, by marriage, Duchess of Modena.
Born into the Barberini family, she was the last wife of Francesco I d' Este, Duke of Modena.
Theodred II (Bishop of Elmham)
Theodred II was a medieval Bishop of Elmham.
The date of Theodred's consecration unknown, but the date of his death was sometime between 995 and 997.
George of Naples
George( date of birth unknown; died 739) was the Duke of Naples for a decade beginning in 729.
Francis IV, Duke of Modena
Francis IV Joseph Charles Ambrose Stanislaus (Italian: "Francesco IV Giuseppe Carlo Ambrogio Stanislao d'Asburgo-Este"; 6 October 1779 – 21 January 1846) was Duke of Modena, Reggio, and Mirandola (from 1815), Duke of Massa and Prince of Carrara (from 1829), Archduke of Austria-Este, Royal Prince of Hungary and Bohemia, Knight of the Order of the Golden Fleece.

Question: When is Francis V, Duke Of Modena's father's birthday?
Answer: 6 October 1779