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Male John Adams Click to view John Adams in the family tree

John was born on July 4th, 1803 in Boston, MA.1   John's father was John Quincy Adams and his mother was Louisa Catherine Johnson.  His paternal grandparents were John Adams and Abigail Smith. He had two brothers and a sister, named George Washington, Charles Francis and Louisa Catherine.  He was the second oldest of the four children.  He died at the age of 31 on October 23rd, 1834 in DC.1 

Family Details of John's family with Mary Catherine Hellen

1 basel.FTW
Further source/citation:
World Family Tree Vol. 9, Ed. 1 @ Tree #2571