People Sir John Constable Sir John Constable Sir John Constable from . About Family Wife Dorothy Barnham Children He has three children, Agnes , Sir and Alice (412) . Other facts about Sir John Constable Honorific prefix Sir Given name John Sir John Constable's Children (3) Agnes Constable Sir Henry Constable Alice Constable, 412 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