William St Clair, 6th Lord Herdmanston
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William St Clair | |
|---|---|
| Predecessor | William St Clair |
| Successor | John St Clair |
| Noble family | Clan Sinclair |
William St Clair, Lord Herdmanston, Baron of Carfrae and Cessford, was a Scottish noble of the 14th century.
William was the son of William St Clair of Herdmanston, who had fought at the Battle of Bannockburn in 1314.[1]