Family:William De Percy and Joan De Briwere (1)

Parents: Henry de Percy and Isabel de Brus William de Percy, 6th Baron Percy b. Abt 1193 Alnwick, Northumberland, England d. Bef 28 Jul 1245 Yorkshire, England	Parents: William Briwere and Beatrice Valle Joan de Briwere b. 1190 Stoke, Devon, England d. 1233 Sandown, Hampshire, England

Family tree▼

Children

		Birth	Death
1.	Anastasia de Percy	1216 Alnwick, Northumberland, England	28 Apr 1272 Topcliffe, West Yorkshire, England
2.	Joan Percy	Abt 1221/1242 Alnwick, Northumberland, England
3.	Alice Percy	Abt 1223/1243 Alnwick, Northumberland, England
4.	Agnes Percy	Abt 1225/1245 Alnwick, Northumberland, England	Aft 1276