John Of Gaunt, Duke Of Lancaster
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- 1 John Of Gaunt, Duke Of Lancaster [1]
- Blanche Crouchback, Duchess Of Lancaster
- 2 Elizabeth, Of Lancaster [1.1]
- 2 Elizabeth, Of Lancaster [1.1]
- Cathrine Swynford
- 2 Henry Beaufort [1.2]
- 2 John Beaufort, Earl Of Somerset [1.3]
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- 3 Thomas Beaufort, Duke Of Exeter [1.3.1]
- 3 John Beaufort, Duke Of Somerset [1.3.2]
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- 4 Margaret Beaufort, Countess Of Richmond [1.3.2.1]
[ =>]
- 4 Margaret Beaufort, Countess Of Richmond [1.3.2.1]
- 3 Thomas Beaufort, Duke Of Exeter [1.3.1]
- 2 Henry Beaufort [1.2]
- Constance Of Castile
- 2 Cathrine, Of Lancaster [1.4]
- Henry III, King Of Castile
- 3 John II, King Of Castile [1.4.1]
- Isabella Of Portugal
- 4 I Isabella, Queen Of Castile [1.4.1.1]
[ =>]
- 4 Henry IV, King Of Castile [1.4.1.2]
- 4 I Isabella, Queen Of Castile [1.4.1.1]
- 3 John II, King Of Castile [1.4.1]
- 2 Cathrine, Of Lancaster [1.4]
- + Kathrine De Rot