Warkworth Castle, Alnwick, Northumberland, England
- References (3)
- 1165 Individual: Alice FitzRoger de Lacy (b. 1165 )
- 1212 Individual: Lord Warkworth, Lord of Clavering, Sheriff of Northumberland Robert FitzRoger (d. 1212 )
- 1240 Individual: John Fitz Roger de Clavering (b. 1240 )