People William Marshall Clark William Marshall Clark William Marshall Clark from . About Family Children He has three children, Margaret , Sheila and Sheila . Other facts about William Marshall Clark Given name William Sex or gender Male William Marshall Clark's Children (3) Margaret Hildegarde Clark Sheila Jean Clark Sheila Clark Comments There are no comments yet. Enter your name here: Enter your email here: Enter your message here: Your message is required. Markdown cheatsheet. Submit