Henry Clay Jr. was an American politician and soldier from Kentucky, the third son of US Senator and Representative Henry Clay and Lucretia Hart Clay. He was elected to the Kentucky House of Representatives in 1835 and served one term. A graduate of West Point, he served in the Mexican–American War and was killed in 1847 at the Battle of Buena Vista.

Henry Clay Sr. was an American lawyer and statesman who represented Kentucky in both the U.S. Senate and House of Representatives. He was the seventh House speaker as well as the ninth secretary of state. He unsuccessfully ran for president in the 1824, 1832, and 1844 elections. He helped found both the National Republican Party and the Whig Party. For his role in defusing sectional crises, he earned the appellation of the "Great Compromiser" and was part of the "Great Triumvirate" of Congressmen, alongside fellow Whig Daniel Webster and Democrat John C. Calhoun.