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Sonja Bernadotte

1944 – 2008

Widow of Count Lennart Bernadotte, manager of the Mainau estate

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About Sonja Bernadotte

Lived 1944 – 2008 (aged 64). Sonja Bernadotte was a German and Swedish horticulturist.

Sonja Anita Maria Bernadotte, Countess of Wisborg ( Haunz; 7 May 1944 – 21 October 2008) was an estate manager and the second wife and widow of Count Lennart Bernadotte, son of Prince Wilhelm of Sweden.

Biography

She managed the Mainau estate on Lake Constance in southern Germany which her husband purchased in 1951 from his father. The Mainau estate serves as Lake Constance's main tourist attraction, featuring elaborate floral gardens, a butterfly house, and attractive views of the lake. Bernadotte became the Count's second wife in 1972. After the death of the Count in 2004, Sonja Bernadotte became head of the foundation that organizes Nobel Laureate Meetings at Lindau, a scientific conference held yearly in Lindau, inviting Nobel prize winners interact with young researchers from all over the world.

Marriage and family

In 1969, Sonja met her future husband Count Lennart Bernadotte of Wisborg whilst she was working as his personal assistant. Lennart was thirty-five years older than Sonja, almost to the very day—their birthdays were only one day apart. Lennart was married and the father of four adult children. He divorced his wife of almost forty years, with whom his relations had been uneven for some years, in order to marry Sonja.

The wedding of Count Lennart and Countess Sonja took place on 29 April 1972. The couple had five children together.

According to her husband's memoirs Sonja Bernadotte would not allow anyone to address them as a prince or princess.

Death Sonja Bernadotte died of breast cancer in Freiburg im Breisgau, Germany, aged 64.

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Important facts

Birth century
Occupation
Nationality
Awards
Bavarian Order of Merit; Officer's Cross of the Order of Merit of the Federal Republic of Germany; Order of Merit of Baden-Württemberg; International Swede of the Year; Pro meritis scientiae et litterarum; Veitch Memorial Medal
Also known as
Sonja Anita Maria Hauntz

Family & relationships

Spouse
Count Lennart Bernadotte of Wisborg

People in Sonja Bernadotte's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Sonja Bernadotte's

Frequently asked questions

Who was Sonja Bernadotte?

Widow of Count Lennart Bernadotte, manager of the Mainau estate (1944–2008)

When was Sonja Bernadotte born?

Sonja Bernadotte was born on 7 May 1944 in Litzelstetten.

When did Sonja Bernadotte die?

Sonja Bernadotte died on 21 October 2008 in Freiburg im Breisgau.

What was Sonja Bernadotte's occupation?

Sonja Bernadotte was a horticulturist.

What nationality was Sonja Bernadotte?

Sonja Bernadotte was German and Swedish.

Sources & further reading

· Wikipedia: Sonja Bernadotte

· Wikidata: Q84538

· DBpedia: Sonja Bernadotte

Cite this page

APA: Biography.guide. (2026). Sonja Bernadotte. https://biography.guide/sonja-bernadotte/

MLA: "Sonja Bernadotte." Biography.guide, https://biography.guide/sonja-bernadotte/.

Chicago: "Sonja Bernadotte." Biography.guide. https://biography.guide/sonja-bernadotte/.

Data last updated: 2026-09-21 · Spot an error? Report a correction.

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