People William Marshall Clark William Marshall Clark William Marshall Clark from . About Family Children He has three children, Sheila , Sheila and Margaret . Other facts about William Marshall Clark Given name William Sex or gender Male William Marshall Clark's Children (3) Sheila Jean Clark Sheila Clark Margaret Hildegarde 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