The following announcement was made by the Swedish Royal Court:
The Office of The Marshal of the Realm is delighted to announce that HRH Princess Sofia gave birth to a healthy child Thursday the 31 August 2017 at 11.24am at Danderyd Hospital. Both mother and child are in good health.
A second announcement stated that Princess Sofia had given birth to a son and that the name will be announced on Monday.
Princess Sofia, born Sofia Hellqvist, married Prince Carl Philip of Sweden, son of King Carl XVI Gustaf of Sweden, on June 13, 2015. Their first child Prince Alexander was born on April 19, 2016.