Notes from http://home.austarnet.com.au/dfgoonan/GRAHAMDalk.htm
William de GRAHAM of Abercorn & Dalkeith b. C 1093 William received the lands of Abercorn and Dalkeith from David I, King of Scots in 1127/28. William of Graham was a witness to David I?s ?Holyrood Charter? in 1143-1147. children of William de GRAHAM: Peter; Alan GRAHAM