Gabriel Seymour
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| Portrayed by Dominic Cooper (unofficial) | |
| Full Name | |
|---|---|
| Title | |
| Associated Noble House(s) | Earldom of Thernope |
| Date of Birth | 1785 |
| Father | John Seymour |
| Father's Rank | Earl of Thernope |
| Mother | Dorothy Seymour nee Sharpe |
| Mother's Rank | Countess of Thernope |
| Town Residence | |
| Income | |
| School | Eton |
| University | Oxford |
Gabriel Seymour is the heir to the Earldom of Thernope and the elder brother of Mirabelle Delafield and Catherine Seymour.