Baron de Hamlake) de ROOS (Sir WILLAM
Baron de Hamlake) de ROOS (Sir was born about 1196 in Helmsley, Yorkshire, England.¹   He died in 1258.¹ 

 Lucia FITZ PIERS
Lucia FITZ was born about 1250 in Forest of Dean, Gloucestershire, England.¹ 

 WILLIAM (Sir) de ROOS
WILLIAM (Sir) was born about 1244 in Igmanthorpe, Yorkshire, England.¹   He died before May 28th, 1310.¹ 

 ROBERT (Baron de Hamlake) de ROOS
He died in 1258.¹