Grace Kelly's son Prince Albert has had quite an interesting reign! The Sovereign Prince of Monaco has a few children but only 2 have Royal titles.

Prince Albert of Monaco's Illegitimate Children

While adorable Prince Jacques and Princess Gabriella are the true heirs of the throne, Prince Albert did have a few children out of wedlock before the twins were born!

Nicole Coste.

He has vastly different relationships with each of them and they have different relationships with both the public and the Royal family of Monaco! Get to know Prince Albert's children in our video above!