She is the eldest grandchild of King Carl XVI Gustaf, and is second in line of succession to the Swedish throne, after her mother.

Estelle was born to Crown Princess Victoria and Prince Daniel at 04:26 CET on 23 February 2012 at the Karolinska University Hospital in Solna.

[5] Her names and title were announced on 24 February 2012 by her grandfather King Carl XVI Gustaf at a cabinet meeting.

The only two princesses of Sweden[13] to be born first in line for the throne were heir presumptive at their birth: Christina (who eventually became queen regnant) and Hedwig Sophia (who was superseded by a younger brother).

At the time of her christening, she was presented with a miniature swan and certificate to the trail indicating that in the future she would perform official engagements there.