Complex sentence: According to Hughes, one of these men was Sam Clay, a Scottish-American whiskey distiller of Henry County and supposedly a relative of Henry Clay, and the other was Silas Cushenberry, a Jewish-American slave trader of Clark County.
Split into simpler sentences: According to Hughes, one of these men was Sam Clay, a Scottish-American whiskey distiller of Henry County and supposedly a relative of Henry Clay. The other was Silas Cushenberry, a Jewish-American slave trader of Clark County.