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

 ISABEL Heiress d'ALBINI
She died in 1301.¹ 

 Lord) de ROOS (Baron WILLIAM
Lord) de ROOS (Baron was born about 1250 in Yorkshire, England.¹   He died on August 15th, 1316.¹ 

 ISABEL de ROOS
ISABEL was born about 1252.¹ 

 JOAN de ROOS
JOAN was born about 1256.¹   She died on October 13th, 1348.¹