Member Information
| Full Name | ♂️ John 1st Duke of Exeter de Holand, KG (Holand Holland) -  |
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| Birth | #1 | Date of Birth | 1355 |
| Place of Birth | Upholland, Lancashire, England | ||
| Father | Thomas Earl of Kent Holland, 1st Earl of Kent, KG, 2nd Baron Holand | ||
| Mother | Joan Princess of Wales, Fair Maid of Kent Plantagenet | ||
| Siblings | ♀️ Maud Mahaut, Matilda Holland de Luxembourg, ♂️ Sir Thomas 2nd Earl of Kent, 3rd Baron of Holland Holland, KG | ||
| Death | #1 | Date of death | 16 JAN 1400 |
| Place of death | Castle Pleshey, Essex, England | ||