Roger I de Bertram, b: 1126 - Mitford, England


			^{Richard I Bertram}^{b.1076 Normandy, France d.}

		^{William II Bertram}^{b.1099 Castle Mitford, England d. Stainton, England}	^{Sigel Mitford}^{b.1080 Mitford, England d.}

	^{Roger I de Bertram}^{b.1126 Mitford, England d.1172}		^{Guy de Baliol}^{b.1108 Piquigny, France d.}

		^{Hawise de Baliol}^{b.1103 Bywell, England d.}	^Dionesia^{b.1079 Bywell, England d.}

^{William III de Bertram}^{b.1157 Mitford, England d.1205}



	^Ada^{b. d.}