John Sinclair, 23rd Lord Herdmanston
John Sinclair | |
|---|---|
| Lord Herdmanston | |
| Predecessor | John Sinclair |
| Successor | Henry Sinclair |
| Born | 14 February 1632 |
| Died | 13 July 1666 (aged 34) |
| Noble family | Clan Sinclair |
| Father | John Sinclair |
| Mother | Elizabeth Sinclair |
John Sinclair, Lord Herdmanston, (14 February 1632 – 13 July 1666) was a Scottish noble of the 17th century.