Character
Duke of Holdernesse
- Average age: 49 years
- Wikipedia: Duke of Holdernesse (link not verified)
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Feb 1904: 'The Adventure of the Priory School' Mar 1904: 'The Adventure of Black Peter' -
1921: 'The Priory School' -
12 Aug 1986: 'The Priory School' -
24 Mar 1993: 'The Priory School'