Beatrix of Montdidier, b: -



		^{Rotrou I of Châteaudun}^{b. d.}

	^{Geoffrey II of Perche}^{b. d.1100}		^{Guérin de Domfront}^{b. d.}

		^{Adelise de Bellême}^{b. d.}

^{Marguerite Perche}^{b.1067 France d.1156 Warwick, England}

	^{Beatrix of Montdidier}^{b. d.1129}