Princess Beatrice and her husband Edoardo Mapelli Mozzi will no doubt be celebrating today as their daughter Sienna turns two.
Over the past few years, Sienna's birth and the arrival of her cousins August and Ernest, who are the sons of Princess Eugenie, have shaken up the royals' line of succession quite a bit.
However, unlike her cousins, little Sienna, who is 10th in line to the throne, is actually eligible for a royal title and it's got nothing to do with her mum Beatrice, but is actually thanks to her father Edo.
Beatrice's other half is an Italian count, which means his children also inherit a count or countess title, the Mirror reports.
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