William III de Bertram, b: 1157


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

		^{Roger I de Bertram}^{b.1126 Mitford, England d.1172}	^{Hawise de Baliol}^{b.1103 Bywell, England d.}

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

		^Ada^{b. d.}

^{Roger II de Bertram}^{b.1176 d.1241}			^{Odinel I de Umfreville}^{b.1094 Redesdale, England d.1162 Prudhoe, England}

		^{Odinel II de Umfreville}^{b.1125 Prudhoe, England d.1171 Prudhoe, England}

	^{Alice de Umfreville}^{b.1161 Castle Prudho, England d.}		^{Richard "The Loyal" de Lucy}^{b.1098 Luce, France d.1179 Lesnes Abbey, England}

		^{Alice de Lucy}^{b.1129 Luce, France d.}	^{Rohese Fitz Richard de Clare}^{b.1055 Tunbridge, Kent, England d.}