"The marriage between Princess Madeleine and Christopher O'Neill will be held Saturday, June 8, 2013 in the Royal Palace chapel in Stockholm," it said in a brief statement.

Madeleine, 30, is the youngest child of King Carl XVI Gustaf and Queen Silvia and fourth in line to the throne.

The couple met in New York, where the princess has been living since April 2010 after a broken engagement to a Stockholm lawyer alleged by media to have cheated on her.

She has been working there with the World Childhood Foundation, a charity for marginalised children set up in 1999 by her mother.

London-born O'Neill, 38, works in finance.

The couple have no plans to return to live in Sweden at present.

Madeleine's older sister is Crown Princess Victoria, 35, who married Daniel Westling in June 2010. They have a daughter, Princess Estelle, born in February.

Madeleine also has a brother, Prince Carl Philip, 33.