During an absence from Clairvaux, the Grand Prior of Cluny went to Clairvaux and enticed away Bernard's cousin, Robert of Châtillon.

Long after the execution-style murders of the Russian Imperial Family, Mountbatten was called upon to authoritatively rebut impostors ' claims to be the living Grand Duchess Anastasia, who had been his first cousin.

Grand Duke Vytautas, a Lithuanian hero, was Jogaila's first cousin and rival

Various theories have claimed that Gediminas was either his predecessor Grand Duke Vytenis ' son, his brother, his cousin, or his hostler.

This bloody conflict was eventually brought to a temporary halt in 1392 with the Treaty of Ostrów, by which Władysław handed over the government of Lithuania to his cousin in exchange for peace: Vytautas was to rule Lithuania as the Grand Duke ( magnus dux ) until his death, under the overlordship of the Supreme Duke ( dux supremus ) in the person of the Polish monarch.

* The Rt Hon The Countess Mountbatten of Burma ( Lord Milford Haven's first cousin once-removed, great-great-granddaughter of Queen Victoria through her daughter The Princess Alice, Grand Duchess of Hesse and by Rhine )

Merenberg's sister, Sophia ( 1868 – 1927 ), likewise contracted a morganatic marriage in 1891, with Grand Duke Michael Mikhailovich of Russia, whose cousin, Emperor Nicholas II banished them to England, unwittingly saving the couple from the maelstrom of the Russian Revolution, which proved fatal to so many Romanovs.

Grand Duke Cyril Vladimirovich, Nicholas's cousin, proclaimed himself as Emperor in exile.

Prince and Anderson joined Prince's cousin, Charles Smith, in a band called Grand Central while they were attending Minneapolis's Central High School.

" According to a 29 May 1897 diary entry written by her father's distant cousin, Grand Duke Konstantin Konstantinovich of Russia, she was given the name " Tatiana " as an homage to the heroine in Alexander Pushkin's novel in verse Eugene Onegin.

In 1817, Charles Albert married his second cousin once removed, Maria Theresa of Austria, the youngest daughter of Ferdinand III, Grand Duke of Tuscany, and Princess Luisa of Naples and Sicily.

Grand Duke Karl II of Baden was given a crown by Napoleon I, the cousin by marriage of his wife, Stéphanie Louise Adrienne de Beauharnais.

Irina's first cousin, Grand Duchess Olga Nikolaevna of Russia, whom she had been close to when they were girls, was disdainful of Felix: " Felix is a ' downright civilian ,' dressed all in brown, walked to and fro about the room, searching in some bookcases with magazines and virtually doing nothing ; an utterly unpleasant impression he makes – a man idling in such times ," Olga wrote to her father, Tsar Nicholas II, on 5 March 1915 after paying a visit to the Yusupovs.

Nicholas decides to command the troops himself in 1915 and leaves for the front, taking over from his much more experienced cousin, Grand Duke Nicholas.

During this time period, Wilhelmina's heir presumptive was her first cousin once removed William Ernest, Grand Duke of Saxe-Weimar-Eisenach, and next in line was his aunt ( and Wilhelmina's cousin ) Princess Marie Alexandrine of Saxe-Weimar-Eisenach.

In Naples on 15 August 1790 by proxy and in Vienna on 19 September 1790 in person, Ferdinand married firstly his double first cousin, the Princess ( later Grand Duchess ) Luisa of Naples and Sicily ( 1773-1802 ), daughter of Ferdinand I of the Two Sicilies and Marie Caroline of Austria.

He married his first cousin, Sophie, daughter of King William I of Württemberg and Grand Duchess Catherine Pavlovna of Russia, in Stuttgart on 18 June 1839.

* Andrew Cardinal Báthory, cousin of Sigismund, Prince of Transylvania, Grand Master of the Order of the Dragon.

It has been a grand duchy since 1815 when the Netherlands became an independent kingdom and Luxembourg was handed over to the King of the Netherlands, William I. Luxembourg remained in personal union with the Netherlands crown until 1890 when William III, King of the Netherlands and Grand Duke of Luxembourg, died without leaving a male heir, so that in the Netherlands he was succeeded by his daughter Wilhelmina and, in the Luxembourgish Grand Duchy, by a distant male cousin, Duke Adolf of Nassau who became HRH Grand Duke Adolphe — an arrangement necessitated by Salic law being applicable to Luxembourg but not to the Netherlands.

His cousin Gian Gastone de ' Medici, Grand Duke of Tuscany, was named his co-tutor and despite Charles being the default heir of Gian Gastone, the Grand Duke still gave him a warm welcome.

Besides, she was a granddaughter of the fabulously rich Grand Duke of Baden and related by blood to the French Imperial family through her maternal grandmother Stéphanie de Beauharnais, Emperor Napoléon I's adopted daughter and second cousin of Napoléon III's mother .< ref >

On 23 January 1878 at the Basilica of Atocha in Madrid, Alfonso married his cousin, Princess Maria de las Mercedes, daughter of Antoine, Duke of Montpensier, but she died within six months of the marriage.

He first saw action against the Ottoman Turks at the Siege of Vienna in 1683 and the subsequent War of the Holy League, before serving in the Nine Years ' War, fighting alongside his cousin, the Duke of Savoy.

His grandfather, Thomas Francis, founder of the Carignano line of the House of Savoy, was the son of Catherine Michelle – a daughter of Philip II of Spain – and the great-grandson of the Emperor Charles V. But of more immediate consequence to Leopold I was the fact that Eugene was the second cousin of Victor Amadeus, the Duke of Savoy, a connection that the Emperor hoped might prove useful in any future confrontation with France.

Eugene was never to fully trust his cousin again ; although he continued to pay due reverence to the Duke as head of his own family, their relationship would forever remain strained.

As soon as the annulment was granted, Eleanor became engaged to Henry Plantagenet, Duke of Normandy and Count of Anjou, who became King Henry II of England in 1154 ; he was her cousin within the third degree and was nine years younger than she.

In 1572, de Vere's first cousin and closest relative, the Duke of Norfolk, was found guilty of a Catholic conspiracy against Elizabeth and was executed for treason.

On 14 April 1589 Oxford was among the peers who found Philip Howard, Earl of Arundel, the eldest son and heir of Oxford's cousin, Thomas, Duke of Norfolk, guilty of treason.

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.

Elector Frederick the Wise, a member of the Ernestine branch of the same family, known for his protection of Luther, was a cousin of Duke George.

He had vanquished one notable opponent, his Welf cousin, Duke Henry the Lion of Saxony and Bavaria in 1180, but his hopes of restoring the power and prestige of the monarchy seemed unlikely to be met by the end of his life.

In 1206 Henry and his cousin Duke Władysław III Spindleshanks of Greater Poland agreed to swap the Silesian Lubusz Land against the Kalisz region, which met with fierce protest by Władysław's III nephew Władysław Odonic.

The king's brother Duke Louis of Orléans and the king's cousin John the Fearless, Duke of Burgundy, quarreled over the regency of France and the guardianship of the royal children.

Lincoln was named after Henry Fiennes Pelham-Clinton, 2nd Duke of Newcastle, 9th Earl of Lincoln – a cousin of the Wentworth governors.

The elder Beatrice, in order to protect her children's inheritance, married Godfrey the Bearded, a cousin who had been Duke of Upper Lorraine before rebelling against the Emperor Henry III.

Without alternatives, Mieszko II was forced to surrendered the Royal crown and agreed to the division of Poland between him and the other two competitors: his brother Otto and certain Dytryk () — cousin, grandson of Duke Mieszko I and his third wife Oda —.

Philip persuaded Mary that Elizabeth should marry his cousin, Emmanuel Philibert, Duke of Savoy, to secure the Catholic succession and preserve the Habsburg interest in England, but Elizabeth refused to comply and parliamentary consent was unlikely.

After the heirless death of Duke Michele Antonio ( January 26, 1627 ), his lands passed to his cousin Pietro Orsini, count of Muro Lucano ( died 1641 ).

With no male heirs, he is currently to be succeeded as Duke of Gravina by his unmarried brother Benedetto ( b. 1956 ), then by his cousin Don Raimondo Orsini d ' Aragona ( b. 1931 ), whose heir is Don Lelio Orsini ( b. 1981 ).

In July 1127, William II, Duke of Apulia, died childless, and almost immediately his cousin King Roger II of Sicily sailed to the mainland to occupy the duchies of Apulia and Calabria.

Guy's claim was challenged by Conrad of Montferrat, second husband of Sibylla's half-sister, Isabella: Conrad, whose defence of Tyre had saved the kingdom in 1187, was supported by Philip of France, son of his first cousin Louis VII of France, and by another cousin, Duke Leopold V of Austria.

On his way to the territory of his brother-in-law Henry of Saxony, Richard was captured shortly before Christmas 1192 near Vienna by Leopold V, Duke of Austria who accused Richard of arranging the murder of his cousin Conrad of Montferrat.

The duchy was divided up in 1180 when Duke Henry the Lion, Emperor Otto's grandson, refused to follow his cousin, Emperor Frederick Barbarossa, into war in Lombardy.