William Jay was an American reformer, jurist, and son of  an American statesman who directed U.S. foreign policy for much of what decade?
John Jay John Jay (December 23 [O.S. December 12] 1745 – May 17, 1829) was an American statesman, Patriot, diplomat, one of the Founding Fathers of the United States, signatory of the Treaty of Paris of 1783, second Governor of New York, and the first Chief Justice of the United States (1789–1795). He directed U.S. foreign policy for much of the 1780s and was an important leader of the Federalist Party after the ratification of the United States Constitution in 1788.
William Branch Giles William Branch Giles (August 12, 1762December 4, 1830; the "g" is pronounced like a "j") was an American statesman, long-term Senator from Virginia, and the 24th Governor of Virginia. He served in the House of Representatives from 1790 to 1798 and again from 1801 to 1803; in between, he was a member of the Virginia House of Delegates, and was an Elector for Jefferson (and Aaron Burr) in 1800. He served as United States Senator from 1804 to 1815, and then served briefly in the House of Delegates again. After a time in private life, he joined the opposition to John Quincy Adams and Henry Clay, in 1824; he ran for the Senate again in 1825, and was defeated, but appointed Governor for 3 one-year terms in 1827; he was succeeded by John Floyd, in the year of his death.