Twins have actually been born into the royal family before. They just haven't been born into it for literally hundreds of years. In 1430, Queen Joan, the wife of James I of Scotland, gave birth to twin boys. One sadly died during the same year, however, and the other twin went on to rule as king eventually.
The Life of King Charles III
Born on December 10, 2014, the royal twins of Monaco, Prince Jacques and Princess Gabriella, have been charming fans since day one.
Whichever of the twins was first born would be the next monarch according to our succession rules. Until recently a male child would have had precedence, but the law was changed in anticipation of the Duke and Duchess of Cambridge's children.
Henry VIII's Illegitimate Children
Henry also had an illegitimate son, named Henry Fitzroy (meaning 'son of the king') born in 1519. The King made Fitzroy Duke of Richmond, and ensured he was well provided for. Fitzroy enjoyed a 'prince's life' until his premature death at 17, probably from tuberculosis.
On 18 January 1919, after a severe seizure, John died in his sleep at Wood Farm at 5:30 pm. a great shock, tho' for the poor little boy's restless soul, death came as a great relief. [She] broke the news to George and [they] motored down to Wood Farm.
“The Habsburg dynasty was one of the most influential in Europe,” said the lead researcher, Professor Román Vilas from the University of Santiago de Compostela in Spain, “but became renowned for inbreeding, which was its eventual downfall.”
Prince Albert and Queen Victoria had nine children, five girls and four boys, with 17 years between the oldest and the youngest.
Queen Victoria married Prince Albert, her first cousin.
Queen Victoria married her first cousin, Prince Albert of Saxe-Coburg and Gotha, in 1840, according to National Geographic. The pair were first cousins who were in a loving relationship wherein they had nine children, according to the outlet.
Alexandrine was known by the nickname of "Adini" within her family. It became clear shortly after Alexandrine's birth that she was affected with Down syndrome. Unlike other disabled royal children, Alexandrine was not hidden away.
As per the university, MoMo twins are some of the rarest types of twins, making up less than one per cent of all births in the United States. According to Dr Gupta, MoMo twins account for “fewer than 0.1 per cent of all pregnancies and one per cent of identical twins”.
Who was Leonora Knatchbull? Leonora Louise Marie Elizabeth Knatchbull was the youngest child of Norton Knatchbull, 3rd Earl of Mountbatten, and Penelope Knatchbull, Countess Mountbatten of Burma. She was born on June 25, 1986, and died from kidney cancer on Oct. 22, 1991 at the age of five.
To recap other Middleton family tree news: it's already established that William and Kate are 12th cousins once removed through their common ancestor, the 16th century soldier Sir Thomas Leighton.
Scientists have identified Akhenaten, the “heretic” king who introduced monotheism to ancient Egypt, as Tutankhamun's father. Akhenaten first married Nefertiti, who was renowned for her great beauty, but had no sons so he then married his sister in an effort to have a son.
When Oedipus grew to manhood, a prophet warned him that he would kill his father and marry his mother. Not knowing that he had been adopted, and that his real parents were Jocasta and Laius, Oedipus left the country to avoid committing such crimes.
Anne was the first of the Queen's children to be divorced. She separated from her husband of 19 years, Captain Mark Phillips, in 1989 and divorced in 1992. Charles and Andrew both divorced from Princess Diana and Sarah Ferguson, Duchess of York, respectively, in the same year.
The German prince was born with a paralysed arm, a disability that was then considered shameful. His mother wrote that she was haunted by the idea of her son remaining a cripple, insisting that he hide his arm throughout his life.
On 27th April 2018, William and Kate announced that they had named their child Louis Arthur Charles. He will be formally known as His Royal Highness Prince Louis of Cambridge.
Diana's royal roots
In addition, this royal connection means that Diana and her husband Prince Charles were very distant cousins, via several lines. In particular, they each descend from a daughter of Henry VII: Margaret, who married James IV of Scotland, and Mary, who married Charles Brandon.
King Charles II of Spain was the bloodline's final descendant and “one of the most afflicted.” The study says his distinct feature and inability to produce an heir show how inbreeding and incest impact genetics.
In Europe, the practice was most prevalent from the medieval era until the outbreak of World War I, but evidence of intermarriage between royal dynasties in other parts of the world can be found as far back as the Late Bronze Age.
Prince John, the youngest child of George V and Queen Mary is thought to have had autism in addition to his severe epilepsy. He lived at Sandringham with his family until 1909 when his parents became King and Queen. They moved to London, but he lived mostly in Sandringham with his nurse.
Prince John was the youngest child of George V and Queen Mary, the young prince diagnosed with epilepsy at the age of four. He was eventually sent away from the palace to Sandringham House where his governess looked after him until his death at the age of 13, following a severe seizure.
Camilla is slightly older than Prince Charles. She was born on 17th July 1947 and he on 14th November 1948. They are distantly related, being ninth cousins once removed.