Eustache married Mary Princess Of Scotland in 1102. Mary (daughter of Malcolm Iii "Ceanmor Scotland and Margaret "Atheling" Queen Scotland, [PRINCESS OF ENG) was born about 1084 in , , , Scotland; died on 31 May 1116 in St. Saviors Mona, Bermondsey, Middlesex, England; was buried in , Bermondsey, Middlesex, England. [Group Sheet] [Family Chart]