Robert de Lambton, b: 1280 - Chester-Le-Street, England


			^{Thomas Lambton}^{b.1233 Durham, England d.1270 Durham, England}

		^{William de Lambton}^{b.1252 Lambton, Durham, England d.1280 Durham, England}	^{Mary Unknown}^{b.1235 Durham, England d.1252 Durham, England}

	^{Robert de Lambton}^{b.1280 Chester-Le-Street, England d.1350 Durham, England}

^{William De Lambton}^{b.1306 Lambton, Durham, England d.1350 Lambton, Durham, England}

	^{Ann (Anna) Unknown}^{b.1285 Durham, England d.1350 Durham, England}