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Europe’s lucky number sevens: baby Sussex’s counterparts in the line of succession

When Baby Sussex is born in a few weeks time, he or she will be seventh in line to the British throne. They are not the only royals to hold the lucky number seven position in a line of succession. Let’s take a look at Baby Sussex’s counterparts in their lines of succession.


Archduchess Anna Astrid, 2 – Anna Astrid is the only child of Prince Amedeo and Princess Elisabetta. She is the great-niece of King Philippe and great-granddaughter of former King Albert II. She’s being held by her father in the photo below:

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Prince Nikolai, 19 – His Highness is the eldest child of Prince Joachim of Denmark from his first marriage to Countess Alexandra. His grandmother is Queen Margrethe, and his uncle, Crown Prince Frederik will one day ascend the throne. Nikolai works as a model.

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Prince Constantin, 47 – He is the third child of Prince Hans-Adam II and Princess Marie and a younger brother to The Prince Regent of Liechtenstein, Alois. He serves as the CEO of Foundation Prince Liechtenstein.

Photo Courtesy of @RoyalArjan on Twitter


Prince Guillaume, 55 – Guillaume is the third son and youngest child of Grand Duke Jean and his late wife, Grand Duchess Josephine-Charlotte. As such, his older brother, Henri, now sits on the throne as the Grand Duke of Luxembourg.

By Sultan Edijingo – Own work, CC BY-SA 4.0,


India Casiraghi, 3 (will turn 4 on 12 April) – India was born as the second child of Andrea Casiraghi and his wife, Tatiana Santo Domingo. She is the great niece of the Prince of Monaco, Albert II. She is seen with her parents below.

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The Netherlands:

Countess Leonore, 12 – Leonore is the youngest of three children born to Prince Constantijn and Princess Laurentien of the Netherlands. Her uncle is King Willem-Alexander, and her grandmother was the former Queen Beatrix (now Princess Beatrix).

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Emma Behn, 10 – Although she holds no title, Emma is a granddaughter of King Harald and Queen Sonja of Norway. Her parents are Princess Märtha Louise and her ex-husband, Ari Behn. Emma is the youngest child of the Princess and youngest grandchild of the King and Queen – who she is pictured with below.

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Juan Urdangarín y de Borbón, 19 – Juan is the eldest child of scandal-ridden Infanta Cristina (the daughter of King Juan Carlos and Queen Sofía) and her husband, Iñaki Urdangarín. His uncle is King Felipe VI.

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Princess Madeleine, Duchess of Hälsingland and Gästrikland, 36 – Madeleine is the youngest child of King Carl XVI Gustaf and Queen Silvia. Her older sister is Crown Princess Victoria, and her older brother is Prince Carl Philip. She ranks behind her siblings and their children in the line of succession.

Princess Madeleine. Photo: Charles Lidbom, Royal Court, Sweden


If we looked outside of Europe, in Japan, where there will soon be a new emperor, there is no number seven in the line of succession. As of writing this article, there are only four in the line of succession. When Crown Prince Naruhito ascends the throne on 1 May, the number will drop to three in the line of succession.

About author

Brittani is from Tennessee, USA. She is a political scientist and historian after graduating with a degree in the topics from the University of Tennessee, Knoxville, in December 2014. She also holds a master's degree from Northeastern University. She enjoys reading and researching all things regarding the royals of the world. She's been researching, reading, and writing on royalty for over a decade. She became Europe Editor in October 2016, and then Deputy Editor in January 2019, and has been featured on several podcasts, radio shows, news broadcasts and websites including Global News Canada, ABC News Australia, WION India and BBC World News.