House of St John
- Coat of Arms
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House of St John
Lords of Stanton St John, Swallowfield and Lageham
Barons St John of Lageham
Also referred as St John of Lageham
- Personal Arms
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House of Port-St John
Lords of Old Basing
Barons St John of Basing
Matrilineal branch issued from the daughters of Roger St John, younger brother of Thomas St John, Lord of Stanton
- Personal Arms
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Roger St John
1st Baron St John of Stanton
Father of John St John, 1st Baron St John of Lageham