Duchy of Clarence
- Ruling Houses
-
House of Plantagenet
1362–1368
Lionel of Antwerp -
House of Lancaster
1412–1421
Thomas of Lancaster -
House of York
1461–1478
George Plantagenet -
House of Hanover
1789–1830
William Henry of Hanover
Created as Duchy of Clarence and St Andrews -
House of Saxe-Coburg-Gotha
1890–1892
Albert Victor of Saxe-Coburg-Gotha
Created as Duchy of Clarence and Avondale