*Joan de Briwere
born about 1197 Stoke, Devonshire, England
buried before 12 June 1233 Hospital, Sandown, Surrey, England

father:
*William II de Briwere Lord Horsley
born about 1145 Stoke, Devonshire, England
died 1226 Devonshire, England

mother:
*Beatrice de Vaux
born about 1149 Stoke, Devonshire, England
died 24 March 1217
married about 1174 Stoke, Devonshire, England

siblings:
*Alice de Briwere born about 1185 Devonshire, England
*Margaret de Briwere born 1172 Stoke, Devonshire, England died 1237
*Isabel de Briwere born about 1184 Stoke, Devonshire, England died 1233
Richard de Briwere born about 1175 Stoke, Devonshire, England
*Grecia (Alice) de Briwere born about 1176 Stoke, Devonshire, England died 1223
William de Briwere born about 1178 Isle-Briwere, Devonshire, England died 14 February 1232

spouse:
*William de Percy Lord of Topcliffe
born about 1193 Alnwick, Northumberland, England
died before 28 July 1245
buried before 28 July 1245 Salley Abbey, Craven, Yorkshire, England
married about 1223 Warwick, Warwickshire, England

children:
*Anastasia de Percy born about 1216/24 Alnwick, Northumberland, England
Joan de Percy born about 1224 Whitby, Yorkshire, England
Agnes de Percy born about 1226 Whitby, Yorkshire, England
Alice de Percy born about 1228 Whitby, Yorkshire, England

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com