The Right Honourable The Dowager Countess of Seaforth | |
|---|---|
| Born | Lady Frances Herbert 1659 Montgomeryshire, Wales |
| Died | 18 December 1732 Paris, France |
| Spouse(s) | Kenneth Mackenzie, 4th Earl of Seaforth |
| Issue | William Mackenzie, 5th Earl of Seaforth Lady Mary Sempill |
| Parents | William Herbert, 1st Marquess of Powis Lady Elizabeth Somerset |
Frances Mackenzie, Dowager Countess of Seaforth (née Herbert; 1659 – 18 December 1732), was a Welsh-born Scottish noblewoman and wife of Kenneth Mackenzie, 4th Earl of Seaforth.[1]