Francis I by Martin van Meytens
|Holy Roman Emperor;
King of Germany
|Reign||13 September 1745 –
18 August 1765
|Coronation||4 October 1745, Frankfurt|
|Archduke of Austria|
|Reign||21 November 1740 –
18 August 1765
|Grand Duke of Tuscany|
|Reign||12 July 1737 – 18 August 1765|
|Duke of Lorraine|
|Reign||27 March 1729 – 9 July 1737|
|Spouse||Maria Theresa of Austria|
|Issue||Archduchess Maria Elisabeth
Archduchess Maria Anna
Archduchess Maria Carolina
Joseph II, Holy Roman Emperor
Archduchess Maria Christina
Archduchess Maria Elisabeth
Archduke Charles Joseph
Maria Amalia, Duchess of Parma
Leopold II, Holy Roman Emperor
Archduchess Maria Carolina
Archduchess Maria Johanna Gabriela
Archduchess Maria Josepha
Maria Carolina, Queen of Naples and Sicily
Ferdinand, Duke of Modena
Marie Antonia Josephina Johanna, Queen of France 
Maximilian Francis, Archbishop-Elector of Cologne
|House||House of Lorraine|
|Father||Leopold, Duke of Lorraine|
|Mother||Élisabeth Charlotte d'Orléans|
8 December 1708|
Ducal Palace of Nancy, Lorraine
|Died||18 August 1765
Palace of Innsbruck, Austria
|Burial||Imperial Crypt, Vienna|
Francis I (German: Franz Stefan; Italian: Francesco Stefano; English: Francis Stephen; 8 December 1708 – 18 August 1765) was Holy Roman Emperor and Grand Duke of Tuscany, though his wife effectively executed the real powers of those positions. With his wife, Maria Theresa, he was the founder of the Habsburg-Lorraine dynasty. From 1728 until 1737 he was Duke of Lorraine. In 1737, Lorraine became managed by France under terms resulting from the War of the Polish Succession. Francis and House of Lorraine received the Grand Duchy of Tuscany in the peace treaty that ended that war. After taking the throne of the Holy Roman Empire, the return of the ancestral duchy of Lorraine went nominally to his brother Prince Charles Alexander of Lorraine (who was however engaged in ruling the Austrian Netherlands), until succession under derivate house alliances resulted in Lorraine's annexation to France in 1766.
He was connected with the Habsburgs through his grandmother Eleonor, daughter of Emperor Ferdinand III, and wife of Charles Leopold of Lorraine, his grandfather. He was very close to his brother and sister Anne Charlotte.
Emperor Charles VI favored the family, who, besides being his cousins, had served the house of Austria with distinction. He had designed to marry his daughter Maria Theresa to Francis' older brother Leopold Clement. On Leopold Clement's death, Charles adopted the younger brother as his future son-in-law. Francis was brought up in Vienna with Maria Theresa with the understanding that they were to be married, and a real affection arose between them.
At the age of 15, when he was brought to Vienna, he was established in the Silesian Duchy of Teschen, which had been mediatized and granted to his father by the emperor in 1722. Francis Stefan of Lorraine succeeded his father as Duke of Lorraine in 1729. In 1731 he was initiated into freemasonry (Grand Lodge of England) at a specially convened lodge in The Hague at the house of the British Ambassdor, Philip Stanhope, 4th Earl of Chesterfield. During a subsequent visit to England, Francis was made a Master Mason at another specially convened lodge at Houghton Hall, the Norfolk estate of British Prime Minister Robert Walpole.
Maria Theresa arranged for Francis to become "Lord Lieutenant" (locumtenens) of Hungary in 1732. He was not excited about this position, but Maria wanted him closer to her. In June 1732 he agreed to go to Pressburg.
When the War of the Polish Succession broke out in 1733, France used it as an opportunity to seize Lorraine, since France's prime minister, Cardinal Fleury, was concerned that, as a Habsburg possession, it would bring Austrian power too close to France.
A preliminary peace was concluded in October 1735 and ratified in the Treaty of Vienna in November 1738. Under its terms, Stanisław I, the father-in-law of King Louis XV and the losing claimant to the Polish throne, received Lorraine, while Francis, in compensation for his loss, was made heir to the Grand Duchy of Tuscany, which he would inherit in 1737.
Although fighting stopped after the preliminary peace, the final peace settlement had to wait until the death of the last Medici Grand Duke of Tuscany, Gian Gastone in 1737, to allow the territorial exchanges provided for by the peace settlement to go into effect.
In March 1736 the Emperor persuaded Francis, his future son-in-law, to secretly exchange Lorraine for the Grand Duchy of Tuscany. France had demanded that Maria Theresa's fiancé surrender his ancestral Duchy of Lorraine to accommodate the deposed King of Poland. The Emperor considered other possibilities (such as marrying her to the future Charles III of Spain) before announcing the engagement of the couple. If something were to go wrong, Francis would become governor of the Austrian Netherlands.
Elisabeth of Parma had also wanted the Grand Duchy of Tuscany for her son Charles III of Spain; Gian Gastone de' Medici was childless and was related to Elisabeth via her great grandmother Margherita de' Medici. As a result Elisabeth son's could claim by right of being a descendant of Margherita.
On January 31, 1736 Francis had agreed to marry Maria Theresa. He hesitated three times (and laid down the feather before signing). Especially his mother Élisabeth Charlotte d'Orléans and his brother Prince Charles Alexander of Lorraine were against the loss of Lorraine. On February 1, Maria Theresa sent Francis a letter: she would withdraw from her future reign, when a male successor for her father appeared.
They married on February 12 in the Augustinian Church, Vienna. The wedding was held on February 14, 1736. The (secret) treaty between the Emperor and Francis was signed on May 4, 1736. In January 1737, the Spanish troops withdrew from Tuscany, and were replaced by 6,000 Austrians. On January 24, 1737 Francis received Tuscany from his father-in-law. Until then, Maria Theresa was Duchess of Lorraine.
Gian Gastone de' Medici, who died on 9 July 1737, was the second cousin of Francis. In June 1737 Francis went to Hungary again to fight against the Turks. In October 1738 he was back in Vienna. On December 17, 1738 the couple travelled south, accompanied by his brother Charles to visit Florence for three months. They arrived on January 20, 1739.
In 1744 Francis' brother Charles married a younger sister of Maria Theresa, Archduchess Maria Anna of Austria (1718–1744). In 1744 Charles became governor of the Austrian Netherlands, a post he held until his death in 1780.
Francis was well content to leave the wielding of power to his able wife. He had a natural fund of good sense and brilliant business capacity and was a useful assistant to Maria Theresa in the laborious task of governing the complicated Austrian dominions, but he was not active in politics. However, his wife left him in charge of the financial affairs, which he managed well until his death. Heavily indebted and on the verge of bankruptcy at the end of the seven years war, the Austrian Empire was in a better financial condition than France or England in the 1780s. He also took a great interest in the natural sciences. He was a member of the Freemasons.
Francis was quite the philanderer and was known for his many indiscreet affairs, notably one with Maria Wilhelmina, Princess of Auersperg, who was thirty years his junior. This particular affair was remarked upon in the letters and journals of visitors to the court and in those of his children.
Maria Theresa and Francis I had sixteen children—their youngest daughter was the future queen consort of France, Marie Antoinette (1755–1793). He was officially succeeded by his eldest son Joseph II although the real power remained with his wife. Another son was the Emperor Leopold II.
|1||Archduchess Maria Elisabeth of Austria||5 February 1737||6 June 1740||died in childhood, no issue|
|2||Archduchess Maria Anna||6 October 1738||19 November 1789||died unmarried, no issue|
|3||Archduchess Maria Carolina of Austria||12 January 1740||25 January 1741||died in childhood likely from smallpox, no issue|
|4||Holy Roman Emperor Joseph II||13 March 1741||20 February 1790||married 1) Infanta Isabel of Spain (1741–1763), married 2) Princess Marie Josephe of Bavaria (1739–1767) – second cousin, had issue from his first marriage (two daughters, who died young)|
|5||Archduchess Maria Christina of Austria||13 May 1742||24 June 1798||married Prince Albert of Saxony, Duke of Teschen (1739–1822), her second cousin (1738–1822), had issue (one stillborn daughter)|
|6||Archduchess Maria Elisabeth of Austria||13 August 1743||22 September 1808||died unmarried, no issue|
|7||Archduke Charles Joseph of Austria||1 February 1745||18 January 1761||died of smallpox, no issue|
|8||Archduchess Maria Amalia of Austria||26 February 1746||9 June 1804||married Ferdinand, Duke of Parma (1751–1802), had issue.|
|9||Holy Roman Emperor Leopold II||5 May 1747||1 March 1792||married Infanta Maria Luisa of Spain (1745–1792), had issue. Grand Duke of Tuscany from 1765 (abdicated 1790), Holy Roman Emperor from 1790, Archduke of Austria, King of Hungary and King of Bohemia from 1790.|
|10||Archduchess Maria Carolina of Austria||17 September 1748||17 September 1748||died hours after baptism|
|11||Archduchess Maria Johanna of Austria||4 February 1750||23 December 1762||died of smallpox, no issue|
|12||Archduchess Maria Josepha of Austria||19 March 1751||15 October 1767||died of smallpox, no issue|
|13||Archduchess Maria Carolina of Austria||13 August 1752||7 September 1814||married King Ferdinand IV of Naples and Sicily (1751–1825); had issue|
|14||Archduke Ferdinand of Austria, Duke of Breisgau||1 June 1754||24 December 1806||married Maria Beatrice d'Este, heiress of Breisgau and of Modena, had issue (Austria-Este). Duke of Breisgau from 1803.|
|15||Archduchess Maria Antonia of Austria||2 November 1755||16 October 1793||married Louis XVI of France (1754–1793) and became Queen Marie Antoinette of France.|
|16||Archduke Maximilian Franz of Austria (1756–1801)||8 December 1756||27 July 1801||Archbishop-Elector of Cologne, 1784.|
|Ancestors of Francis I, Holy Roman Emperor|
Francis I, by the grace of God elected Holy Roman Emperor, forever August, King in Germany and of Jerusalem, Archduke of Austria, Duke of Lorraine, Bar, and Grand Duke of Tuscany, Duke of Calabria, in Silesia of Teschen, Prince of Charleville, Margrave of Pont-à-Mousson and Nomeny, Count of Provence, Vaudémont, Blâmont, Zütphen, Saarwerden, Salm, Falkenstein, etc. etc.
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Francis I, Holy Roman EmperorBorn: 8 December 1708 Died: 18 August 1765
Gian Gastone de' Medici
|Grand Duke of Tuscany
|Duke of Lorraine
|Duke of Teschen
|King in Germany
|Holy Roman Emperor
as sole ruler
|Archduke of Austria
Ruler of the Austrian Netherlands
21 November 1740–1765
with Maria Theresa
as sole ruler