John FitzRobert Lord Clavering(abt 1194 - abt 1240)Roger de Merlay Baron Merlay(abt 1173 - abt 1239)
Ada de Baliol(abt 1206 - 29 Jul 1251)Margery de Umfreville(abt 1205 - bef Feb 1291)
b. abt 1227, Warkworth, Northumberland, England
d. abt 1271
br.  
occ. Roger was Lord of Warkworth and Clavering.
b. abt 1224, Morpeth, Northumberland, England
d. aft 1268
br.  
occ.  
Children
> John de Clavering(abt 1247 - abt 1332)
> Robert FitzRoger Clavering(abt 1240 - 1310)