People Marion Cockburn Marion Cockburn Marion Cockburn from . About Family Husband John St. Clair Of Herdmanston Child She has one child, Sir . Other facts about Marion Cockburn Family name Cockburn. Show people with the surname Cockburn Sex or gender Female Marion Cockburn's Child Sir William St. Clair Of Herdmanston 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