Prince Oddone, Duke of Montferrat
Oddone of Savoy( Oddone Eugenio Maria; 11 July
1846 – 22 January 1866) was an Italian humanist and philanthropist.
He was the fourth child and third eldest son of King Victor Emmanuel II of Italy and his wife Adelaide of Austria.
He was a" Prince of Savoy".
Ferdinand Maria, Elector of Bavaria
Ferdinand Maria (31 October 1636 – 26 May 1679) was a Wittelsbach ruler of Bavaria and an elector ("Kurfürst") of the Holy Roman Empire from 1651 to 1679.
Princess Henriette of Belgium
Princess Henriette of Belgium, later Princess Henriette of Orléans, Duchess of Vendôme( 30 November 1870 – 28 March 1948), was the daughter of Prince Philippe, Count of Flanders, and Princess Marie of Hohenzollern- Sigmaringen.
She was the younger twin sister of Princess Joséphine Marie of Belgium, who died at the age of six weeks in 1871.
Yolande Louise of Savoy
Yolande Louise of Savoy( 1487–1499), was a Duchess Consort of Savoy; married to Philibert II, Duke of Savoy.
Adelaide, Countess of Burgundy
Adelaide of Merania( or Alice, Alix — died 8 March 1279, Évian) was Countess of Burgundy from 1248 until her death.
She was also Countess of Savoy and Bresse through her marriage in 1267 to Philip I, Count of Savoy.
Maximilian II Emanuel, Elector of Bavaria
Maximilian II( 11 July 1662 – 26 February 1726), also known as Max Emanuel or Maximilian Emanuel, was a Wittelsbach ruler of Bavaria and a" Prince- elector" of the Holy Roman Empire.
He was also the last governor of the Spanish Netherlands and duke of Luxembourg.
An able soldier, his ambition led to conflicts that limited his ultimate dynastic achievements.
He was born in Munich to Ferdinand Maria, Elector of Bavaria and Princess Henriette Adelaide of Savoy( d.1676).
His maternal grandparents were Victor Amadeus I of Savoy and Christine Marie of France, daughter of King Henri IV.
Adelaide of Maurienne
Adelaide of Savoy( or Adelaide of Maurienne)( or" Adelasia di Moriana", or" Alix" or" Adèle de Maurienne")( 1092 – 18 November 1154) was, by birth, a member of the House of Savoy.
She was the second spouse, but first queen consort, of Louis VI of France( 1115- 1137).
After Louis' death, Adelaide was married to Matthew I of Montmorency.
Adelaide of Savoy, Duchess of Swabia
Adelaide of Savoy( c.1050/2 – 1079), a member of the Burgundian House of Savoy, was Duchess of Swabia from about 1062 until 1079 by her marriage with Rudolf of Rheinfelden, who also was elected German anti-king in 1077.
Adelaide of Rheinfelden
Adelaide of Rheinfelden( or Adelaide of Swabia)( 1060s – May 1090), was Queen Consort of Hungary by marriage to King Ladislaus I of Hungary.
Princess Henriette Adelaide of Savoy
Henriette Adelaide of Savoy (Enrichetta Adelaide Maria; 6 November 1636 – 13 June 1676), was Electress of Bavaria by marriage to Ferdinand Maria, Elector of Bavaria.
She had much political influence in her adopted country and with her husband did much to improve the welfare of the Electorate of Bavaria.

Question: When was Princess Henriette Adelaide Of Savoy's husband born?
Answer: 31 October 1636