Contents — explore this biography
Family and schoolingAgriculture and businessMilitary careerDefence diplomacyMarriage and childrenPosition within the monarchyFamily and schooling
Joachim was born in Copenhagen on 7 June 1969, the younger son of Margrethe and Prince Henrik. His elder brother is Frederik X. He attended school in Denmark and spent a period in France. Their shared upbringing does not make the brothers holders of the same office: Frederik is sovereign, while Joachim has distinct professional and representative responsibilities.
Agriculture and business
He worked on a farm in Australia after secondary school and studied agricultural economics in Denmark from 1991 to 1993. He also gained experience with the A.P. Møller–Maersk group in Hong Kong and France. These were substantive employment and educational stages before later defence appointments, not a single undifferentiated royal occupation.
Military career
Joachim began military training in 1987 and progressed through reserve-officer responsibilities. He later undertook advanced defence education. Operational and professional military appointments should be distinguished from honorary royal associations, because a title alone does not describe the work of a serving officer. The official biography supplies a detailed sequence of training and duties.
Defence diplomacy
He became defence attaché at Denmark’s embassy in Paris in 2020 and moved to a military-industry attaché role in Washington in September 2023. The postings have different dates and responsibilities. His current public role should therefore not be described solely by the earlier Paris appointment or treated as an ambassadorial office he does not hold.
Marriage and children
He has two sons, Nikolai and Felix, from his first marriage to Alexandra Manley. He married Marie Cavallier in 2008; their children are Henrik and Athena. The children use count or countess titles following changes effective in 2023. The profile retains the current styles rather than assuming that every birth title continues unchanged.
Position within the monarchy
Joachim remains in the succession and may undertake formally defined duties as regent in appropriate circumstances. A temporary regency is distinct from kingship, and family membership is separate from his embassy employment. His biography demonstrates how a royal career can include professional appointments while the sovereign and heir hold different constitutional roles.
Career timeline
Begins service and officer preparation.
Studies agrarian economics in Denmark.
Marries Marie Cavallier.
Becomes defence attaché in France.
Begins work as military-industry attaché in the United States.
Selected works & milestones
Agricultural education
Studies agrarian economics in Denmark.
Marriage to Marie
Marries Marie Cavallier.
Paris appointment
Becomes defence attaché in France.
Washington appointment
Begins work as military-industry attaché in the United States.
- Danish Royal House — official biography and appointments
- Prince Joachim of Denmark — biographical reference and cited sources
Published 2026-10-31. Sources reviewed for this edition. Independent coverage of public professional activity.




