The seven key Founding Fathers were George Washington, John Adams, Benjamin Franklin, Alexander Hamilton John Jay, Thomas Jefferson and James Madison. The seven key "Founding Fathers" were either the "Signers of the Declaration of Independence" or the "Framers of the Constitution". John Jay did not sign the Declaration of Independence, he was considered a Founding Father due to his role in framing the Constitution. 

Facts about John Jay
The following facts about John Jay provide interesting facts and an overview and description of the life and times and his involvement in creating the United States of America.

Fact 1: John was born on December 12, 1745 in New York

Fact 2: John was the son of Peter Jay who was a wealthy trader and merchant and John's mother was Mary Van Cortlandt

Fact 3: He had ten siblings, seven of whom survived childhood

Fact 4: John was privately educated by a series of home tutors and then attended King's College in New York City, which is now Columbia University, where he made some highly influentional friends

Fact 5: He was a revolutionary sympathizer at first a moderate, and then an ardent Patriot

Fact 6: He read law and established a law practice

Fact 7: He married Sarah Livingston, the daughter of a prominent family of Scottish descent on 28 April 1774 and they had six children

Fact 8: 1776: The Declaration of Independence was signed on July 4, 1776, by the congressional representatives of the 13 Colonies of Colonial America. John Jay was not a prominent political figure during the time of the signing of the Declaration of Independence and was not a signatory of this famous document. (John Jay did not sign the Declaration of Independence, he was considered a Founding Father due to his role in framing the Constitution)

Fact 9: Articles of Confederation: The Articles of Confederation were started in mid 1776 and completed in 1781. On March 4, 1789, the Articles were replaced with the U.S. Constitution

Fact 10: He became a delegate to the First and Second Continental Congresses

Fact 11: In 1777 he guided the drafting of the first New York state constitution. In the same year he was appointed chief justice of New York but left that post in December 1778 to take up the position of president of the Continental Congress.

Fact 12: He was appointed Secretary of Foreign Affairs, a post he held from 1784–1789

Fact 13: He contributed five papers to The Federalist, dealing chiefly with the Constitution in relation to foreign affairs

Fact 14: He then became the first Chief Justice of the United States and served in the position 1789 - 1795

Fact 15: The Jay Treaty: In early 1793 France and Britain went to war and to avoid any involvement with the conflict George Washington sent Chief Justice John Jay to negotiate with the British. Alexander Hamilton largely wrote Jay's instructions and the result was the Jay Treaty.

Fact 16: He was elected governor of New York and served in the role from 1795 - 1801)

Fact 17: In 1787, he entered public life again constructed a draft for the Constitution and served another term in the Continental Congress. He spear-headed the resolve to alter the Articles of Confederation.

Fact 18: John Jay retired to his farm at Bedford in Westchester County for the remaining 28 years of his life.

Fact 19: On the night of May 14, 1829, Jay was stricken with palsy, probably caused by a stroke.

Fact 20: He died three days later in Bedford, New York, on May 17 1829