1. Clues to access Arabella’s phone can be found on the Scrap Paper she wrote on.

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2. Who are Louis, Mary and King John IV? You can use the family tree to help you.

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3. Arabella writes that “King John IV = 2.1”. Her family tree is coded so that each member has a different value. 

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4. King John IV is the first born child of the second generation of Wellingtons. You can use this information to work out the values of each other family member.

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5. Enter the values of Louis, Mary and Arabella in that order to crack the passcode.