Killed attacking Burwell Castle, Cambridgeshire, England

• References (10)
  • 1144 Individual: William I de Say , of Sawbridgeworth, Sir (d. >Aug 1144 )
  • 1144 Individual: William I de Say , of Sawbridgeworth, Sir (d. >Aug 1144 )
  • 1144 Individual: William I de Say , of Sawbridgeworth, Sir (d. >Aug 1144 )
  • 1144 Individual: William I de Say , of Sawbridgeworth, Sir (d. >Aug 1144 )
  • 1144 Individual: William I de Say , of Sawbridgeworth, Sir (d. >Aug 1144 )
  • 1144 Individual: William I de Say , of Sawbridgeworth, Sir (d. >Aug 1144 )
  • 1144 Individual: William I de Say , of Sawbridgeworth, Sir (d. >Aug 1144 )
  • 1144 Individual: William I de Say , of Sawbridgeworth, Sir (d. >Aug 1144 )
  • 1144 Individual: William I de Say , of Sawbridgeworth, Sir (d. >Aug 1144 )
  • 1144 Individual: William I de Say , of Sawbridgeworth, Sir (d. >Aug 1144 )