Isabella married Alan (Alanus) Clavering, [Sir Knight] about 1303 in Of, Tilmouth, Northumberland, England. Alan (son of Robert Fitzroger Clavering, [BARON FITZROGER and Margery (Mary) La Zouche, [BARONESS FITZRO) was born in 1279 in Of, CLAVERING, Essex, England; was christened in (28-1307); died on 17 Jan 1328; was buried on 8 Mar 1328. [Group Sheet] [Family Chart]