Largest Age Difference between Siblings

[Mimi1984]

Originally Posted by kathia_sophia

Eldest and younger daughters of Queen Victoria and Prince Albert:

Victoria, Princess Royal - born 1840
Princess Beatrice - born 1857

Age difference: 17 years.

16 years and 6 month. Victoria was born in November 1840, Beatrice in April 1857 and became an aunt at the age of not yet 2, when Victoria gave birth to her first child Wilhelm (1859-1941).

[Moonmaiden23]

Originally Posted by Duc_et_Pair

The age difference between Stéphanie de Luxembourg née comtesse de Lannoy (1984) and her eldest brother Jehan comte de Lannoy (1966) is 18 years.

So Jehan is in fact old enough to be father to his youngest sibling? He walked Stephanie down the aisle at her wedding in lieu of their ailing father Count Philippe. Count Jehan also caused a bit of a stir on some message boards because he is a rather attractive man, especially in his Belgian Army uniform.

[Iza Borowiec]

King Willem II of the Netherlands and Princess Marianne - 18 years

[JR76]

Theresa, Duchess of Oldenburg 1815-1871
Sofia, Queen of Sweden 1836-1913
A difference of 21 years

[Mimi1984]

Maria Theresia of Toskana (1767-1827) and her youngest brother Rudolf (1788-1814), 21 years and a few days.

Both had 14 silblings.

Parents: Leopold II. Emperor (1747-1792) and Maria Ludovika (1745-1792)

Yes, both died in 1792. Leopold in March, Maria Ludovika in May.

-

Maria Anna (1738-1789) and her youngest brother Maximilian (1756-1801), 18 years 2 month and 2 days.

Maria Annas elder sister Maria Elisabeth (I. ) (1737-1740) died in childhood.

13 more silblings are there.

Parents. Maria Theresia (1717-1780) and Franz Stephan (1709-1765)

[Mimi1984]

Maria Theresia of Neapel (1772-1807) and her youngest sister Elisabeth (1793-1801). Yes, Elisabeth was born, when Maria Theresia was married and had two children of there own.

21 years and around 6 month.

Maria Theresia was born in June 1772 and Elisabeth in December 1793.

They had 16 siblings, but not all of the are grown up.

Parents: Maria Karolina (1752-1814) and Ferdinand (1751-1825).

[CyrilVladisla]

Emperor Alexander I of Russia was born in December 1777.
Grand Duke Michael Pavlovich was born in February 1798.
The difference is 21 years 2 months.
They are the sons of Emperor Paul I and Empress Maria Feodorovna of Russia.

[CyrilVladisla]

Tsarevna Anna Ivanovna was born August 10, 1548.
Tsarevich Dmitri Ivanovich was born October 19, 1582.
The age difference is 34 years 2 months.
They are the children of Tsar Ivan IV of Russia.

[Biri]

Shahnaz Pahlavi - born 27 October 1940 (mother: Fawzia bint Fuad, Princess of Egypt)
Leila Pahlavi - born 27 March 1970 (mother: Farah Diba)

Father of both: Mohamed Reza Pahlavi, last Shah of Iran

29 years and 5 months' age difference.

When Leila was born her half-niece Mahnaz Zahedi was 11 years old (born 2 December 1958).

Little Prince Reza and Princess Shahnaz: https://commons.wikimedia.org/wiki/F...ess_Shanaz.png

[BigLenny]

Princess Bianca of Savoy-Aosta (born April 2, 1966) and her half-sister Ginevra Maria Gabriella van Ellinkhuizen (born March 19, 2006).

Age difference: 39 years and 11 months

[JR76]

Duchess Christina D'Otrante (1939-) and Countess Charlotte de Roquette-Buisson (1940-) are respectively 37 and 38 years younger than their oldest brother, Count Erik von Rosen (1902-1967). Another one of their older siblings was Princess Elsa Bernadotte (1904-1991) who was the first wife of Prince Carl jr of Sweden.

[Duc_et_Pair]

Prince Alexander of the Netherlands, the Prince of Orange, Hereditary Grand-Duke of Luxembourg (1851-1884) and Princess Wilhelmina (1880-1962), later Queen of the Netherlands. Age difference 29 years.

Princess Beatrix of the Netherlands (1938) and Alexia Lejeune-Grinda (1967), age difference 29 years as well.

[Biri]

Princess Alia bint Hussein - born 13 February 1956 (mother: Sharifa Dina bint Abdul-Hamid)
Princess Rayiah bint Hussein - born 9 February 1986 (mother: Lisa Najeeb Halaby - Queen Noor)

Father of both: Hussein bin Talal, King of Jordan

30 years minus 4 days'age difference.

Three days after Rayiah's birth her half-nephew, Prince Hussein Mirza celebrated his 5th birthday.