Home › People › Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg

Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg

1660 – 1731

Duke of Schleswig-Holstein-Sonderburg-Augustenburg

Don't just read it — keep itBiographies to ownE-book · Audio · Video From $7 →

About Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg

Lived 1660 – 1731 (aged 70). Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg was a Danish.

Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg (30 October 1660 – 12 March 1731) was the third son of Duke Ernest Günther and his wife Auguste.

Ernest August converted to Catholicism and became a canon in Strasbourg. However, he later reverted to Lutheranism.

In 1692, he succeeded his childless brother Frederick as Duke of Augustenburg. In 1695 he married Baroness Maria Theresia of Weinberg (d. 1712). This marriage remained childless.

Biography shop

Don’t just read it —
keep it.

Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.

E-book
Audio
Video

Browse the shop — from $7

Instant download · yours to keep · every purchase keeps this site free

Important facts

Born

30 October 1660, Sønderborg

Birth century

17th century

Died

12 March 1731, Hamburg

Nationality

Kingdom of Denmark

Family & relationships

Parent

Auguste of Schleswig-Holstein-Sonderburg-Glücksburg

Parent

Ernest Günther, Duke of Schleswig-Holstein-Sonderburg-Augustenburg

Contemporaries

People whose lives overlapped Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg's

Giovanni Domenico Cassini

Frequently asked questions

Who was Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg?

Duke of Schleswig-Holstein-Sonderburg-Augustenburg

When was Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg born?

Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg was born on 30 October 1660 in Sønderborg.

When did Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg die?

Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg died on 12 March 1731 in Hamburg.

What nationality was Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg?

Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg was Danish.

Sources & further reading

· Wikipedia: Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg

· Wikidata: Q2018348

· DBpedia: Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg

Cite this page

APA: Biography.guide. (2026). Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg. https://biography.guide/ernest-august-duke-of-schleswig-holstein-sonderburg-augustenburg/

MLA: "Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg." Biography.guide, https://biography.guide/ernest-august-duke-of-schleswig-holstein-sonderburg-augustenburg/.

Chicago: "Ernest August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg." Biography.guide. https://biography.guide/ernest-august-duke-of-schleswig-holstein-sonderburg-augustenburg/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

Page generated 2026-09-27 05:13 UTC