Duke of Northumbria
| Dukedom of Northumbria | |
 
| |
| Coat of arms of the 1st, and current Duke | |
| Blazon | Or ermined azure |
|---|---|
| Creation date | 2018 (first creation) 2019 (second creation) |
| Created by | John (both creations) |
| Peerage | Peerage of Baustralia |
| First holder | Cameron, 1st Duke of Northumbria |
| Present holder | William, 1st Duke of Northumbria |
| Remainder to | the 1st Duke's heirs male of the body lawfully begotten. |
| Subsidiary titles |
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Duke of Northumbria in the County of New Texas is a title that has been created twice in the peerage of Baustralia. It's current holder is William, 1st Duke of Northumbria. Named after the Kingdom of Northumbria, it is a substantive title that has been created twice for foreign heads of state. Originally created for Abrams I of Ikonia, it's current holder is William Wilson, a Baustralian citizen.
2018 creation
The title was first created in the Peerage of Baustralia in 2018 for Abrams I of Ikonia. In 2019 however, after Cameron signed the Concordia Pact, he advanced into Parliament an Act to revoke and bar him from all honours and styles in Baustralia, and the title became extinct.
2019 creation
The title was created in the Peerage of Baustralia in 2019 for William Wilson, who holds the Phoklandian archdukedom of Wilson, and the March of Novaria. Along with this, the subsidiary titles of Earl of Northumbria, and Baron Warkworth were created.
List of officeholders
2018 creation
| Created by John of Baustralia | |||||
|---|---|---|---|---|---|
| Name | Period | Duchess | Notes | Other titles | |
| Cameron, 1st Duke of Northumbria (2006-) |
2018-2019 | King of Ikonia | |||
2019 creation
| Created by John of Baustralia | |||||
|---|---|---|---|---|---|
| Name | Period | Duchess | Notes | Other titles | |
| William, 1st Duke of Northumbria (2002-) |
2019- | Archduke of Wilson Earl of Northumbria Marquis of Novaria Baron Warkworth | |||