How many children did William Clark have?
With his first wife, Julia Hancock, Clark had five children. They were Meriwether Lewis Clark, Sr., William Preston Clark, Mary Margaret Clark, George Rogers Hancock Clark and John Julius Clark. After his first wife’s death he remarried her first cousin, Harriet Kennerly Radford. With her Clark had 3 kids: Jefferson Kearny Clark, Edmund Clark, and Harriet Clark.