Edmund married Margaret De Clare on 7 Oct 1272 in , Ruislip, Middlesex, England, and was divorced. Margaret (daughter of Richard De Clare, [Earl of Glouces and Maud De Lacy, [COUNTESS OF GLO) was born in 1249 in , Tonbridge, Kent, England; died before 16 Sep 1312/1313. [Group Sheet] [Family Chart]