Nielsen Hayden genealogy
Ancestors of William de Strickland
- 1306 ┌── Adam de Castlecarrock (of Castlecarrock, Cumberland, England - ??)
┌── Walter fitz Adam ( - Between 1236 and 1239)
┌── Robert de Strickland (of Great Strickland, Westmorland, England - Aft 1220)
│ └── Christian de Leteham (of Great Strickland, Westmorland, England - ??)
│
┌── Robert de Strickland (of Great Strickland, Westmorland, England - 1278)
│ └── Beatrice de Cotesford
│
William de Strickland ( - 1306)