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In page Tichborne:

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The Roman Catholic Tichborne family has held the manor since the 12th century. Tichborne House was built shortly after 1803[2] while a longstanding baronetcy (indicating the use of 'Sir') was held by the family. There was a notorious 19th-century legal case of the Tichborne Claimant, in which an English imposter, Arthur Orton, then living in Australia, claimed to be missing Tichborne family member Sir Roger Tichborne.