Albert was chosen as his successor early in 1511 in the hope that his relationship to his maternal uncle, Sigismund I the Old, Grand Duke of Lithuania and King of Poland, would facilitate a settlement of the disputes over eastern Prussia, which had been held by the Order under Polish suzerainty since the Second Peace of Thorn ( 1466 ).

In 1439, the Portuguese Cortes ( assembly of the kingdom ) decided to replace the queen with Infante Peter, Duke of Coimbra, the young king's oldest uncle.

The count of Barcelos, a personal enemy of the Duke of Coimbra ( despite being half-brothers ) eventually became the king's favourite uncle and began a constant struggle for power.

Catherine Parr, Henry's widow, soon married Thomas Seymour of Sudeley, Edward VI's uncle and the brother of the Lord Protector, Edward Seymour, Duke of Somerset.

Admiral of the Fleet Louis Francis Albert Victor Nicholas George Mountbatten, 1st Earl Mountbatten of Burma ( born Prince Louis of Battenberg ; 25 June 1900 – 27 August 1979 ), was a British statesman and naval officer, an uncle of Prince Philip, Duke of Edinburgh and second cousin once removed to Elizabeth II.

His uncle, Edward Seymour, 1st Duke of Somerset tampered with Henry VIII's will and obtained letters patent giving him much of the power of a monarch by March 1547.

Because the election of a three-year-old boy to be German king appeared likely to make orderly rule difficult, the boy's uncle, Duke Philip of Swabia, brother of late Henry VI, was designated to serve in his place.

As soon as Henry succeeded his father in 1201, he had to struggle with his Piast relatives, at first with his uncle Duke Mieszko IV Tanglefoot who immediately seized the Upper Silesian Duchy of Opole.

His tour came 735 years after his ancestor, Edward I of England ( then Prince Edward ), had also been on military duty in the Middle East during the Ninth crusade, and also made Harry the first member of the Royal Family to have served in a war zone since his uncle, Prince Andrew, Duke of York, flew helicopters during the Falklands War.

By the beginning of 1384, Mary was engaged to Louis of France, who had been destined to marry her older sister Catherine and whose uncle was the Duke of Anjou.

In 1731, the fifteen-year-old Don Carlos became Charles I Duke of Parma and Piacenza, at the death of his childless great uncle Antonio Farnese.

In December, a small group of nobles assassinated Rasputin and in January 1917 the Tsar's uncle, Grand Duke Nicholas, was asked indirectly by Prince Lvov whether he would be prepared to take over the throne from his nephew, Tsar Nicholas II.

Although Henry had specified a group of men to act as regents during Edward's minority, Edward Seymour, Edward's uncle, quickly seized complete control, and created himself Duke of Somerset on 15 February 1547.

; 1893: The Prince Alfred, Duke of Edinburgh succeeds as Duke of Saxe-Coburg and Gotha when his uncle dies.

The Duke of Gordon is depicted as leading his Gordon Highlanders into battle, and is described by the Duchess of Richmond as " uncle ": in fact, he is a conflate character, representing the contributions of several members of the House of Gordon.

Unsuccessful overtures were made to him in 1763, and twice in 1765, in May and June-the negotiator in May being the king's uncle, the Duke of Cumberland, who went down in person to Hayes, Pitt's seat in Kent.

They included Robert's uncle, Robert the archbishop of Rouen, who had originally opposed the duke, Osbern, a nephew of Gunnor the wife of Duke Richard I, and Count Gilbert of Brionne, a grandson of Richard I.

William was descended from Edward's uncle, Richard II, Duke of Normandy.

On the same day, Duke Charles ( uncle of the deposed king Gustav IV Adolf ) is elected King under the name Charles XIII.

He was a British admiral, statesman and an uncle of The Duke of Edinburgh.

* David Stewart, Duke of Rothesay, heir to the throne of Scotland, dies while being held captive by his uncle, Robert Stewart, 1st Duke of Albany.

* June 11 – Monmouth Rebellion: James Scott, 1st Duke of Monmouth, illegitimate son of King Charles II of England, Scotland and Ireland, lands at Lyme Regis with an invasion force brought from the Netherlands to challenge his uncle, James II, for the Crown of England.

* June 25 – Before his coronation, King Edward V of England is deposed by his uncle, Richard, Duke of Gloucester, who becomes King as Richard III of England.

His uncle, George Lauder, whom he referred to as " Dod ", introduced him to the writings of Robert Burns and historical Scottish heroes such as Robert the Bruce, William Wallace, and Rob Roy.

Young William Wallace witnesses the treachery of Longshanks, survives the death of his father and brother, and is taken abroad by his uncle where he is educated.

In March 1825, John Allan's uncle and business benefactor William Galt, said to be one of the wealthiest men in Richmond, died and left Allan several acres of real estate.

Some, such as John of Salisbury and William of Tyre say Eleanor's reputation was sullied by rumours of an affair with her uncle Raymond of Poitiers, Prince of Antioch.

His mother's sister was married to William Cecil, 1st Baron Burghley, making Burghley Francis Bacon's uncle.

Frederick William married his first cousin Sophia Dorothea of Hanover, George II's younger sister ( daughter of his uncle, King George I of Great Britain and Sophia Dorothea of Celle ) on 28 November 1706.

Harry's godparents were Prince Andrew ( his paternal uncle ); Lady Sarah Armstrong-Jones ( his paternal cousin once removed ); Lady Vestey ; Mrs. William Bartholomew ; Bryan Organ ; and Gerald Ward, a former officer in the Household Calvary.

Geoffrey and his uncle William de Clinton were forced to come to terms with Beaumont ; this set-back, and the difficult years of the Anarchy ( 1135 – 54 ), delayed any further development of the castle.

William Hitler is at this time in the United States where he later joins the navy to fight against his uncle.

* June 20 – 18-year-old Queen Victoria accedes to the throne of the United Kingdom on the death of her uncle William IV without legitimate heirs.

He lived with his great uncle, Colonel William Fraser, for a while as a child.

His great uncle William T. Glassell was a Confederate States Navy officer.

He attended the academy run by his mother, and then studied law as an apprentice to his uncle, William Allen ( who later became a Senator from Ohio ).

In 1873 Thurman crafted a strategy that led to Ohio choosing once more a Democratic legislature, and electing Thurman's uncle William Allen as governor.

Early 13th century, Ada, Countess of Holland took refuge here when she was fighting in a civil war against her uncle, William I, Count of Holland.

George's surviving uncle, George William of Celle, had married his mistress in order to legitimise his only daughter, Sophia Dorothea of Celle, but looked unlikely to have any further children.

Meanwhile, William had written a secret letter to Charles in January 1672 asking his uncle to exploit the situation by exerting pressure on the States-General to appoint William stadtholder.

After his marriage in November 1677, William became a possible candidate for the English throne if his father-in-law ( and uncle ) James were excluded because of his Catholicism.

Both Catherine's brother, William Parr and uncle, William Parr, 1st Baron Parr of Horton fought with the Duke of Norfolk and the Duke of Suffolk against the rebellion.

The Council — his uncle William Knollys included — took a quarter of an hour to compile a report, which declared that his truce with O ' Neill was indefensible and his flight from Ireland tantamount to a desertion of duty.

The witness whom Essex expected to confirm this allegation, his uncle William Knollys, was called and admitted there had once been read in Cecil's presence a book treating such matters ( possibly either The book of succession supposedly by an otherwise unknown R. Doleman but probably really by Robert Persons or A Conference about the Next Succession to the Crown of England explicitly mentioned to be by Parsons, in which a Catholic successor friendly to Spain was favored ).