There was just one Presidential descendant, his son John Quincy Adams. But he is a fourth cousin 3 times removed of President Millard Fillmore.
His son John Quincy Adams is related to Presidents George Washington and Thomas Jefferson through John Adam's wife Abigail.
john Adams is one
John Adams, who later became the 2nd president.
John Adams and Thomas Jefferson
If you are referring to who defended them in court, it was John Adams. He also became the first American representative to Britain, and later became President.
Abraham's descendants became the Israelite nation, which later evolved into the Jewish people. Through his descendants, Abraham is considered the patriarch of three major monotheistic religions: Judaism, Christianity, and Islam.
John Quincy Adams
George Washington and James Madison signed the Constitution.
The later descendants of the Mongols in the Indian subcontinent include the Mughal Empire, which was founded by Babur, a descendant of both Genghis Khan and Timur (Tamerlane). The Mughals ruled over much of the Indian subcontinent from the 16th to the 19th centuries, leaving a lasting cultural and architectural influence on the region.
John Adams, Thomas Jefferson, Martin Van Buren, Richard Nixon, George H.W Bush
The major events in Abigail Adams life was marrying a lawyer, John Adams (who later became the 2nd President), becoming First Lady, and creating women's rights.
John Adams is the Massachusetts delegate who helped write the Declaration of Independence. Adams later became President of the United States.
Thomas Jefferson was the vice-president while John Adams was president. Jefferson became vice president because he was the runner-up to Adams in the presidential election. He defeated Adams in the next presidential election.John Adams was the 1st US Vice President for 2 terms while George Washington was the President.He later became the 2nd US President.