skos:altLabel | - 4th
- Marquess of Titchfield
- William Bentinck
- 4th Duke
- 4th Duke of Portland
- Duke and Duchess of Portland
- Duke of Portland
- Fourth Duke of Portland
- Lord William Bentinck
- The Duke of Portland
- William Bentinck, Marquess of Titchfield
- William Bentinck, the fourth Duke of Portland
- William Cavendish-Bentinck, 4th Duke of Portland
- William Cavendish-Bentinck, Marquess of Titchfield
- William Cavendish-Scott-Bentinck
- William Henry Cavendish Bentinck
- William Henry Cavendish, fourth Duke of Portland
- William, 4th Duke
- the 4th Duke of Portland
- the Duchess of Portland
- the fourth Duke
- <br />William Bentinck,<br /> <br />4th Duke of Portland<br />
- William Cavendish-Scott-Bentinck, 4th Duke of Portland
- William Henry Cavendish-Scott-Bentinck, 4th Duke of Portland
- William Henry<br />Cavendish-Scott-Bentinck,<br />'''4th Duke of Portland'''<br />5th Earl of Portland
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