Editing Alexander, Hereditary Grand Duke of Oldenburg

{| class="wikitable" style="float:right" size="500px"
|+
! colspan="2" |HRH The Hereditary Grand Duke of Oldenburg
|-
| colspan="2" |[[File:Oldenburg Alexander.jpg|frameless]]
|-
|'''Titles'''
|Hereditary Grand Duke of [[Oldenburg]]
|-
! colspan="2" |Biographical Information
|-
|'''Born'''
|17 March 1990 (age 35)
Oldenburg, Oldenburg, Germany
|-
|'''Spouse'''
|[[Princess Olga of Yugoslavia (b. 1988)|Princess Olga of Yugoslavia]]
(m. 2024)
|-
|'''Issue'''
|[[Prince Nikolaus of Oldenburg|Prince Nikolaus]]
|-
|'''Name'''
|Alexander Paul Hans Caspar Andreas
Daniel Carl Philippe 
|-
|'''House'''
|Oldenburg
|-
|'''Father'''
|[[Christian, Grand Duke of Oldenburg]]
|-
|'''Mother'''
|[[Countess Caroline of Rantzau]]
|-
|'''Religion'''
|Lutheran
|}
'''Alexander, Hereditary Grand Duke of Oldenburg''' (born ''Prince Alexander of Oldenburg'' on 17 March 1990) is a member of the Oldenburg Grand Ducal Family as the son and heir of '''Christian, Grand Duke of Oldenburg'''. He is also a member of the Yugoslavian Royal Family as the son-in-law of '''[[Alexander II, King of Yugoslavia]].'''

==Life==
Alexander was born the eldest child of '''Christian, Grand Duke of Oldenburg''' and '''Countess Caroline of Rantzau'''.

On 30 March 2022, Alexander was named regent of the grand duchy after his father was diagnosed with frontotemporal dementia. 

==Marriage and Issue==
On 12 October 2024, Alexander married '''Princess Olga of Yugoslavia''' in Oldenburg. Alexander and Olga have one son, '''Nikolaus'''. 
{| class="wikitable"
!Photo
!Name
!Birth
!Death
!Marriage
|-
|[[File:Oldenburg Nikolaus.png|frameless|150x150px]]
|[[Prince Nikolaus of Oldenburg|Prince Nikolaus]]
|6 May 2025
|
|
|}

==Residences==
<gallery>
File:Residences Oldenburg Schloss Oldenburg.jpg|Schloss Oldenburg; Main Residence (September-May)
File:Residences Oldenburg Rastede Palace.jpg|Rastede Palace; Summer Residence (June-August)
File:Residences Yugoslavia Golden Hill Villa.jpg|Golden Hill Villa; Summer Residence (June-August)
</gallery>

==Titles and Honours==

* '''1990-2014'''   Prince Alexander of Oldenburg
* '''2014-present'''   Alexander, Hereditary Grand Duke of Oldenburg

===National Honours===
[[File:Honours_Oldenburg_Order_of_Duke_Peter_Friedrich_Ludwig.png|frameless|75x75px]] Order of Duke Peter Friedrich Ludwig (2008)

===Foreign Honours===
[[File:Honours_Yugoslavia_Order_of_the_White_Eagle.png|frameless|75x75px]] Order of the White Eagle (2024) (Yugoslavia)

==Ancestry==
{| class="wikitable"
|+
!Parents
!Grandparents
!Great-Grandparents
!Great-Great-Grandparents
|-
|[[Christian, Grand Duke of Oldenburg]]
|[[Grand Duke Anton Gunther of Oldenburg]]
[[Princess Ameli of Lowenstein-Wertheim-Freudenberg]]
|[[Grand Duke Nikolaus of Oldenburg]]
[[Princess Helena of Waldeck and Pyrmont]]

[[Udo, Prince of Lowenstein-Wertheim-Freudenberg]]

[[Countess Margarete of Castell-Castell]]
|[[Grand Duke Frederick Augustus II of Oldenburg]]
[[Princess Elisabeth Alexandrine of Mecklenburg-Schwerin]]

[[Friedrich, Prince of Waldeck and Pyrmont]]

[[Princess Bathildis of Schaumburg-Lippe]]

[[Prince Alfred of Lowenstein-Wertheim-Freudenberg]]

[[Countess Pauline of Reichenbach-Lessonitz]]

[[Friedrich Carl, Count of Castell-Castell]]

[[Countess Gertrud of Stolberg-Wernigerode]]
|-
|[[Countess Caroline of Rantzau]]
|[[Christian, Count of Rantzau]]
[[Heloise von Lettow-Vorbeck]]
|[[Hans, Count of Rantzau]]
[[Countess Emma of Rantzau]]

[[Paul von Lettow-Vorbeck]]

[[Martha Wallroth]]
|[[Count Otto of Rantzau]]
[[Adelheid von Buchwaldt]]

N/A

N/A

N/A

N/A

N/A

N/A
|}

==Lines of Succession==
{| class="wikitable wiki-table"
|+
! colspan="3" |Alexander, Hereditary Grand Duke of Oldenburg
House of Oldenburg 

Born: 17 March 1990 
|-
| colspan="3" |<center>'''Lines of Succession'''</center>
|-
|<center>Preceded by</center>
|<center>Succession to the [[Oldenburg]] throne</center>
|<center>Followed by</center>
|-
|<center>[[Christian, Grand Duke of Oldenburg]]</center>
|<center>1st in the line of succession</center>
|<center>[[Prince Nikolaus of Oldenburg]]</center>
|}
[[Category:Oldenburg]]
[[Category:House Oldenburg]]
[[Category:Heirs]]