Overview
- The Palace of Monaco announced via Instagram Story that the couple welcomed a daughter named Bianca Caroline Marta on October 4, 2025.
- The message cited Princess Caroline of Hanover and Countess Paola Marzotto as sharing the news of their granddaughter and offered official congratulations.
- This is the couple’s third child and first daughter, joining sons Stefano, 8, and Francesco, 7.
- The confirmation resolved discrepancies after Paris Match and court reporter Stéphane Bern reported the birth before the palace and cited a different date.
- The name honors family ties, referencing Princess Caroline and Beatrice Borromeo’s late grandmother Marta Marzotto, and no public photos have been released.