Yolande de Bar was Duchess of Lorraine (1473) and Bar (1480). She was the daughter of Isabella, Duchess of Lorraine

Isabella, Duchess of Lorraine

Isabella was suo jure Duchess of Lorraine, from 25 January 1431 to her death in 1453. She was the first wife of Duke Rene of Anjou, King of Naples, and the mother of his children, which included Margaret of Anjou, Queen consort of England as the wife of Henry VI.From 1435 to 1442, Isabella was...

, and René of Anjou (King of Naples, Duke of Anjou, Bar and Lorraine, Count of Provence). Because of her various titles she is also known as Yolande de Lorraine and Yolande d'Anjou. Her younger sister was Margaret of Anjou

Margaret of Anjou

Margaret of Anjou was the wife of King Henry VI of England. As such, she was Queen consort of England from 1445 to 1461 and again from 1470 to 1471; and Queen consort of France from 1445 to 1453...

, Queen consort

Queen consort

A queen consort is the wife of a reigning king. A queen consort usually shares her husband's rank and holds the feminine equivalent of the king's monarchical titles. Historically, queens consort do not share the king regnant's political and military powers. Most queens in history were queens consort...

 of Henry VI of England

Henry VI of England

Henry VI was King of England from 1422 to 1461 and again from 1470 to 1471, and disputed King of France from 1422 to 1453. Until 1437, his realm was governed by regents. Contemporaneous accounts described him as peaceful and pious, not suited for the violent dynastic civil wars, known as the Wars...

.

Marriage and children

In 1445 she married her cousin Ferry II of Lorraine (1420–1470), Count Vaudémont, at Nancy. The marriage was a dynastic alliance, arranged to end the dispute which existed between René of Anjou and Ferry's father, Antoine of Vaudémont

Antoine of Vaudémont

Antoine of Vaudémont was Count of Vaudémont and sieur de Joinville from 1418 to 1458. By marriage, he was also Count of Aumale and Baron of Elbeuf from 1452 to 1458.-Life:...

, regarding the succession to the Duchy of Lorraine.

Their children were:

• René II
  René II, Duke of Lorraine
  René II was Count of Vaudémont from 1470, Duke of Lorraine from 1473, and Duke of Bar from 1483 to 1508. He claimed the crown of the Kingdom of Naples and the County of Provence as the Duke of Calabria 1480–1493 and as King of Naples and Jerusalem 1493–1508...
  
   (1451–1508), Duke of Lorraine. On 1 September 1485 he married secondly, Phillipa of Guelders, by whom he had issue, from whom descended Mary, Queen of Scots
• Nicholas, Lord of Joinville and Bauffremont, died in 1476
• Peter, died in 1451
• Joan (1458–1480), married in 1474 to Charles IV, Duke of Anjou
  Charles IV, Duke of Anjou
  Charles IV, Duke of Anjou, also Charles of Maine, Count of Le Maine and Guise was the son of the Angevin prince Charles of Le Maine, Count of Maine, who was the youngest son of Louis II of Anjou and Yolande of Aragon, Queen of Four Kingdoms.He succeeded his father as Count of Maine, Guise, Mortain...
  
  . There was no issue from the marriage.
• Yolande, who died in 1500, married William II, Landgrave of Hesse
  William II, Landgrave of Hesse
  William II was Landgrave of Lower Hesse from 1493 and Landgrave of Upper Hesse after the death of his cousin, William III, Landgrave of Upper Hesse in 1500....
  
  , by whom she had issue.
• Margaret
  Margaret of Lorraine
  Margaret of Lorraine was Duchess of Alençon, and a nun of the order of Poor Clares . She was beatified in 1921.-Marriage and children:...
  
   (1463–1521), married René
  René of Alençon
  René of Alençon , was the son of John II of Alençon and Marie of Armagnac.-Restoration of title:...
  
   (1454–1492), Duke of Alençon. She had issue, from whom descended King Henry IV of France
  Henry IV of France
  Henry IV , Henri-Quatre, was King of France from 1589 to 1610 and King of Navarre from 1572 to 1610. He was the first monarch of the Bourbon branch of the Capetian dynasty in France....
  
  

Legacy

In 1473, on the death of her nephew Nicolas, she inherited the Duchy of Lorraine, but passed it immediately to her eldest son René II. In 1480, after the death of her father, she did the same with the Duchy of Bar. She died on 23 March 1483, which was the birthday of her sister Queen Margaret, who had died the previous summer. Yolande was 54 years old.

In conspiracy theories, such as the one promoted in The Holy Blood and the Holy Grail

The Holy Blood and the Holy Grail

The Holy Blood and the Holy Grail is a book by Michael Baigent, Richard Leigh, and Henry Lincoln....

, Yolande de Bar was alleged to have been the tenth Grand Master of the Priory of Sion.