Baron married Lady Idonea (Idoine) De Clifford Baroness Percy in 1327 in Tynemouth, Northumberland, England. Lady (daughter of Sir Robert De Clifford, 1st Baron Clifford and Lady Maud De Clare, Baroness Clifford) was born on 28 Aug 1301 in Clifford, Appleby Castle, Westmorland, England; died on 24 Aug 1365 in Alnwick Castle (Buried at Beverley Minster, Northumberland, Gland, England). [Group Sheet] [Family Chart]