House St John of Basing

• Coat of Arms
• 

  House of Port
  Lords of Port en Bessin
  and Old Basing
  Constables of Portchester Castle
  Ancient arms

• 

  House St John of Basing
  Lords of Old Basing and Halnaker
  Constables of Portchester Castle
  Barons St John of Basing
  Adopted the name and arms from House of St John in first half of 13th century

• Cadet Branches
• 

  House St John of Bletso
  Lords of Bletsoe and Faumont
  Barons St John of Bletso
  Earls of Bolinbroke
  Issued from William, 2nd son of Robert St John, Lord of Basing and younger brother of John St John, Seneschal of Gascony

• Personal Arms
• 

  William St John
  Lord of Old Basing
  Constable of Portchester
  Governor of Guernsey and Jersey
  Arms variant in Glover's Roll

• 

  John St John
  Lord of Basing
  Constable of Portchester
  Seneschal of Gascony
  Father of John St John, 1st Baron St John of Basing
  Arms in Herald's Roll and Segar's Roll

• 

  John St John
  Lord of Basing
  Constable of Portchester
  Seneschal of Gascony
  Alternative arms variant Caerlaverock Roll and Segar's Roll

• 

  John St John
  1st Baron St John of Basing
  Arms variant in Caerlaverock Roll and Falkirk Roll

• 

  Hugh St John
  2nd Baron St John of Basing
  Arms variant in Segar's Roll