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 09 Oct 1622 [his grandfather] John "Younger" Oldenburg Duke Schleswig Holstein Sonderburg 1545-1622 (age 77) died. His son [his father] Alexander Oldenburg I Duke Schleswig Holstein Sonderburg 1573-1627 (age 49) succeeded I Duke Schleswig Holstein Sonderburg Augustenburg.
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 01 Jan 1685 [his son-in-law] Frederick Louis Oldenburg I Duke Schleswig-Holstein-Sonderburg-Beck 1653-1728 (age 31) and [his daughter] Louise Charlotte Oldenburg Duchess Schleswig-Holstein-Sonderburg-Beck (age 26) were married. She by marriage Duchess Schleswig-Holstein-Sonderburg-Beck. She the daughter of Ernest Günther Oldenburg I Duke Schleswig Holstein Sonderburg Augustenburg 1609-1689 (age 75) and Auguste Oldenburg Duchess Schleswig Holstein Sonderburg Augustenburg (age 51). He the son of August Philipp Oldenburg I Duke Schleswig-Holstein-Sonderburg-Beck 1612-1675 and Marie Sibylle Nassau Saarbrücken Duchess Schleswig-Holstein-Sonderburg-Beck. They were first cousins.
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.
Paternal Family Tree: Oldenburg
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
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 4 Grandfather: John "The Alchemist" Margrave of Brandenburg-Kulmbach
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 4 Grandfather: Albert "Achilles" Hohenzollern Elector Brandenburg 1414-1486
Great x 3 Grandfather: John "Cicero" Hohenzollern Elector Brandenburg 1455-1499
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 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
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