Princess Astrid, Mrs. Ferner, of Norway was born as HRH Princess Astrid Maud Ingeborg of Norway in Villa Solbakken in Oslo on 12 February, 1932. She is the second daughter of King Olav V of Norway (1903–1991) and Crown Princess Märtha (born Princess Märtha of Sweden) (1901–1954).

From her mother's death in April 1954 until her brother's marriage in August 1968, Princess Astrid was the First Lady of Norway, working side-by-side with her father.

Princess Astrid married divorced commoner Johan Martin Ferner (b. July 22, 1927) in Asker Church outside Oslo on 12 January, 1961. The couple have five children together:

• Cathrine Ferner (b. 1962)
• Benedikte Ferner (b. 1963)
• Alexander Ferner (b. 1965)
• Elisabeth Ferner (b. 1969)
• Carl-Christian Ferner (b. 1972)

Princess Astrid is styled Princess Astrid, Mrs. Ferner, since her marriage. Abroad she is entitled to be styled as Her Highness Princess Astrid, Mrs. Ferner.