Gov. Samuel Adams II , Signer of the "Declaration of Independence" is John Adams, 2nd President of the USA's second cousin!

John Adams, 2nd President of the USA
 

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Deacon John Adams, Sr.
his father

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Joseph Adams, Jr.
his father

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Capt. John Adams
his brother

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Deacon Samuel Adams
his son

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Gov. Samuel Adams II , Signer of the "Declaration of Independence"
his son