House of Lancaster
Cadet branches of the House of Plantagenet
- 1st House of Lancaster - Issue of Henry III
-
House of Lancaster
Earls and Dukes of Lancaster
Earls of Leicester
- Personal Arms
-
Edmund Crouchback
1st Earl of Lancaster and Leicester -
Henry of Lancaster
3rd Earl of Lancaster and Leicester
as Baron Lancaster
- 2nd House of Lancaster - Issue of Edward III
-
House of Lancaster
Dukes of Lancaster -
House of Lancaster
Henry IV
1399–1406 -
House of Lancaster
Kings of England
1406–1422
- Princes of Wales
-
Princes of Wales
Before 1406 -
Princes of Wales
After 1406
- Cadet Branches
-
House of Beaufort
Dukes of Somerset
Issued from John of Gaunt and his mistress (later 3rd wife) Katherine Swynford
Legitimized line
- Personal Arms
-
John of Gaunt
Duke of Lancaster and Aquitaine
Earl of Lancaster, Leicester and Derby
Claimant to the throne of Castile
Arms after 1371 -
John of Gaunt
Grand quarters alternative arms variant -
John of Gaunt
Impaled alternative arms variant -
Henry IV of England
as Duke of Hereford -
Thomas of Lancaster
Duke of Clarence -
John de Clarence
Illegitimate son of Thomas of Lancaster -
John of Lancaster
Duke of Bedford -
Humphrey of Lancaster
Duke of Gloucester -
Henry VI of England
King of England
1422-1461 and 1470-1471
King of France (disputed) -
Philippa of Lancaster
Queen of Denmark, Sweden, and Norway