Biography of Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg 1609-1689

On 26 Nov 1604 [his father] Alexander Oldenburg I Duke Schleswig Holstein Sonderburg 1573-1627 (age 31) and [his mother] Dorothea Schwarzburg Duchess Schleswig Holstein Sonderburg (age 25) were married at Sønderborg. She by marriage Duchess Schleswig Holstein Sonderburg Augustenburg. She the daughter of and Anna of Oldenburg. He the son of John "Younger" Oldenburg Duke Schleswig Holstein Sonderburg 1545-1622 (age 59) and Elisabeth of Brunswick-Grubenhagen. They were half fourth cousins.

On 14 Oct 1609 Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg was born to Alexander Oldenburg I Duke Schleswig Holstein Sonderburg 1573-1627 (age 36) and Dorothea Schwarzburg Duchess Schleswig Holstein Sonderburg (age 30).

On 13 May 1627 [his father] Alexander Oldenburg I Duke Schleswig Holstein Sonderburg 1573-1627 (age 54) died at Sønderborg. His son [his brother] Johann Christian Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg 1607-1653 (age 20) succeeded I Duke Schleswig Holstein Sonderburg Augustenburg. On 13 May 1627 His son Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg (age 17) succeeded Günther I Duke Schleswig Holstein Sonderburg Augustenburg.

In 1639 [his mother] Dorothea Schwarzburg Duchess Schleswig Holstein Sonderburg (age 60) died.

On 15 Jun 1651 Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg (age 41) and Auguste Oldenburg Duchess Schleswig Holstein Sonderburg Augustenburg (age 17) were married. She by marriage Duchess Schleswig Holstein Sonderburg Augustenburg. The difference in their ages was 23 years. He the son of Alexander Oldenburg I Duke Schleswig Holstein Sonderburg 1573-1627 and Dorothea Schwarzburg Duchess Schleswig Holstein Sonderburg. They were first cousins.

On 03 Aug 1651 [his brother-in-law] Francis Oldenburg (age 24) died.

On 27 Sep 1652 [his sister-in-law] Sophie Hedwig Oldenburg (age 21) died.

On 25 Aug 1654 [his daughter] Sophie Amalie Oldenburg was born to Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg (age 44) and [his wife] Auguste Oldenburg Duchess Schleswig Holstein Sonderburg Augustenburg (age 21). Coefficient of inbreeding 6.27%.

On 24 Oct 1655 [his son] Philip Ernest Oldenburg was born to Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg (age 46) and [his wife] Auguste Oldenburg Duchess Schleswig Holstein Sonderburg Augustenburg (age 22). Coefficient of inbreeding 6.27%.

On 07 Dec 1655 [his daughter] Sophie Amalie Oldenburg (age 1) died.

On 02 Feb 1657 [his daughter] Sophie Auguste Oldenburg was born to Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg (age 47) and [his wife] Auguste Oldenburg Duchess Schleswig Holstein Sonderburg Augustenburg (age 23). Coefficient of inbreeding 6.27%.

On 20 Jul 1657 [his daughter] Sophie Auguste Oldenburg died.

On 07 Feb 1658 [his brother-in-law] Adolf Oldenburg (age 26) died.

On 13 Apr 1658 [his daughter] Louise Charlotte Oldenburg Duchess Schleswig-Holstein-Sonderburg-Beck was born to Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg (age 48) and [his wife] Auguste Oldenburg Duchess Schleswig Holstein Sonderburg Augustenburg (age 24). Coefficient of inbreeding 6.27%.

On 30 Jul 1659 [his daughter] Ernestine Justine Oldenburg was born to Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg (age 49) and [his wife] Auguste Oldenburg Duchess Schleswig Holstein Sonderburg Augustenburg (age 26). Coefficient of inbreeding 6.27%.

On 13 Oct 1660 [his son] Ernest August Oldenburg was born to Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg (age 50) and [his wife] Auguste Oldenburg Duchess Schleswig Holstein Sonderburg Augustenburg (age 27). Coefficient of inbreeding 6.27%.

On 18 Oct 1662 [his daughter] Ernestine Justine Oldenburg (age 3) died.

On 11 Oct 1663 [his daughter] Dorothea Louise Oldenburg was born to Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg (age 53) and [his wife] Auguste Oldenburg Duchess Schleswig Holstein Sonderburg Augustenburg (age 30). Coefficient of inbreeding 6.27%.

In 1664 [his sister-in-law] Mary Elizabeth Oldenburg (age 36) died.

On 18 Dec 1665 [his son] Unamed Oldenburg was born to Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg (age 56) and [his wife] Auguste Oldenburg Duchess Schleswig Holstein Sonderburg Augustenburg (age 32). Coefficient of inbreeding 6.27%.

On 18 Dec 1665 [his son] Unamed Oldenburg died.

On 13 Jun 1668 Frederick William "Great Elector" Hohenzollern Elector Brandenburg (age 48) and [his sister-in-law] Sophia Dorothea Oldenburg (age 31) were married.

On 18 Nov 1668 [his son] Frederick William Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg 1668-1714 was born to Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg (age 59) and [his wife] Auguste Oldenburg Duchess Schleswig Holstein Sonderburg Augustenburg (age 35). Coefficient of inbreeding 6.27%.

On 18 Nov 1668 [his son] Frederick William Oldenburg was born to Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg (age 59) and [his wife] Auguste Oldenburg Duchess Schleswig Holstein Sonderburg Augustenburg (age 35). Coefficient of inbreeding 6.27%.

On 31 Jan 1671 [his sister-in-law] Hedwig Oldenburg (age 30) died.

On 08 Sep 1677 [his son] Philip Ernest Oldenburg (age 21) died.

On 18 Jan 1689 Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg (age 79) died. His son [his son] Frederick William Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg 1668-1714 (age 20) succeeded William I Duke Schleswig Holstein Sonderburg Augustenburg.

On 26 May 1701 [his former wife] Auguste Oldenburg Duchess Schleswig Holstein Sonderburg Augustenburg (age 67) died.

Family Trees of Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg 1609-1689

Paternal Family Tree: Oldenburg

Royal Ancestors of Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg 1609-1689

Kings Wessex: Great x 18 Grand Son of King Edmund "Ironside" I of England

Kings England: Great x 13 Grand Son of King Henry "Curtmantle" II of England

Kings Scotland: Great x 16 Grand Son of Malcolm III King Scotland

Kings Franks: Great x 14 Grand Son of Louis VII King Franks

Kings France: Great x 11 Grand Son of Philip "Bold" III King France

Royal Descendants of Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg 1609-1689

King Christian IX of Denmark 1818-1906 x 1

Constantine II King Hellenes 1940- x 1

Carl XVI King Sweden 1946- x 2

Ancestors of Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg 1609-1689

Great x 4 Grandfather: Dietrich Count of Oldenburg

Great x 3 Grandfather: Christian I King Denmark 1426-1481

Great x 4 Grandmother: Helvig of Schauenburg

Great x 2 Grandfather: King Frederick I of Denmark

Great x 3 Grandmother: Dorothea of Brandenburg

Great x 4 Grandmother: Barbara of Saxe-Wittenberg

Great x 1 Grandfather: Christian III King Denmark 1503-1559 10 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 2 Grandmother: Anna of Brandenburg 9 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandfather: William III Duke of Luxemburg 7 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandmother: Margaret of Thuringia 8 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Anne Habsburg 7 x Great Grand Daughter of King Henry "Curtmantle" II of England

GrandFather: John "Younger" Oldenburg Duke Schleswig Holstein Sonderburg 1545-1622 11 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 1 Grandmother: Dorothea of Saxe Lauenburg Queen Consort Denmark and Norway

Father: Alexander Oldenburg I Duke Schleswig Holstein Sonderburg 1573-1627 12 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandfather: 7 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandfather: Albert II Duke of Brunswick-Grubenhagen 8 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Elisabeth of Brunswick-Göttingen 8 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 2 Grandfather: Philip I Duke of Brunswick-Grubenhagen 9 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 1 Grandfather: Ernest III Duke of Brunswick-Grubenhagen 10 x Great Grand Son of King Henry "Curtmantle" II of England

GrandMother: Elisabeth of Brunswick-Grubenhagen 11 x Great Grand Daughter of King Henry "Curtmantle" II of England

Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg 1609-1689 13 x Great Grand Son of King Henry "Curtmantle" II of England

GrandFather:

Mother: Dorothea Schwarzburg Duchess Schleswig Holstein Sonderburg

Great x 4 Grandfather: Dietrich Count of Oldenburg

Great x 3 Grandfather: Gerhard VI Count of Oldenburg

Great x 2 Grandfather: John V Count of Oldenburg and Delmenhorst

Great x 1 Grandfather: Anthony I Count of Oldenburg

GrandMother: Anna of Oldenburg