Serlo? de Ros c1065				De Ros Coat of Arms
				Piers de Ros c1090
				Robert de Ros c1125
				Everard de Ros c1140
			1st Lord Ros of Helmsley	Robert de Ros c1170
	married Isabel, daughter of William of Scotland
William de Ros c1196				Rober de Ros c1195		married Mary Longespee
Alicia de Ros c1225			1st Lord of Wark	Robert de Ros c1235		married Margaret de Brus
married John 'the Red' Comyn				Robert de Ros c1270		married Lora de Balliol
				Isabel de Ros c1295
				married William Crichton

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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