The son of William Howard Taft, Robert Taft ,was an influential Senator and much considered as a presidential candidate. John Quincy Adams , son of John, was also a Senator before he became president.
Luiz Felipe Abrahama Coelho
George Bush Sr.
LOTS of US presidents have had sons. Perhaps you mean, which president had a son who also became president? The answer to that is George H.W. Bush, whose son is George W. Bush.
John Adams was father of John Quincy Adams (who was 6th president)
The president does not have a son. This is a very frequently quoted internet rumor, with no facts to support it. On the other hand, the president's father (whose name was also Barack Obama), did have a son-- and that is the man who became the president in 2008.
George H. W. Bush was the son of Prescott Bush who was a US Senator from Connecticut from 1952 until 1962.
John Adams. Son: John Q Adams
George Bush
Nether of Garfield's son became US president. The older son, Harry was president of Williams College and served in the Wilson administration. The younger son, James R., was in Theodore Roosevelt's cabinet.
The son of George H.W. Bush (41st President) is George W. Bush (43rd President).
Stanley Ann Dunham and Barack Obama, Sr. had a son that became the 44 the president of the US.
John Quincy Adams