Adwise married John Clavering in 1277/1278 in Contract. John (son of Robert Fitzroger Clavering, [BARON FITZROGER and Margery (Mary) La Zouche, [BARONESS FITZRO) was born about 1266 in Of, CLAVERING, Essex, England; died on 18 Jan 1332. [Group Sheet] [Family Chart]