John Adams had John Quincy Adams as a child and he became president
The Adams family were lawyers before and after they became presidents. Both also served as ambassadors and in other governmental posts.
Abigail Adams died 7 years before her son John Quincy Adams became president.
John Adams and George Bush
John Adams was George Washington's vice president
I can think of five. Thomas Jefferson, James Monroe, John Quincy Adams, Martin Van Buren , and James Buchanan were secretaries of state before they became president .
War of 1812
War of 1812
George H.W. Bush is the father of George W. Bush. John Adams was the father of John Quincy Adams.
There have been two US Presidents who were the sons of men who had been Presidents themselves:John Quincy Adams, the sixth president, was the son of John Adams, the second President.George Walker Bush, the 43rd president, was the son of George Herbert Walker Bush, the 41st president (and vice-president to Ronald Reagan, the 40th president).
Presidents who had grandchildren when they were in office.:John AdamsThomas JeffersonJohn Quincy Adams ( grand-daughter born in the White House)Martin Van Buren (grand-daughter , Rebecca, died in the White HouseWilliam Henry HarrisonJohn TylerZachary TaylorAndrew JohnsonU. S. GrantBenjamin HarrisonFranklin RooseveltDwight EisenhowerLyndon JohnsonJimmy CarterGeorge H. W. bush
He was in the Continental Congress but not the US Congress. The US Congress did not exist before Adams became Vice-President under Washington.