skos:altLabel | - Earl of Morton
- William Douglas
- Sir William Douglas
- Baron Douglas of Lochleven
- 6th Earl of Morton
- Laird of Lochleven
- Robert Douglas the young Laird of Lochleven
- The laird of Lochleven
- William Douglas of Lochleven
- William Douglas, Laird of Lochleven
- William Douglas, later Earl of Morton
- William, 6th Earl of Morton
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