Robert Plumpton, b: 1268 - of Plumpton, England


			^{Nigel de Plumpton}^{b.1216 of Plumpton, England d.1271}

		^{Robert de Plumpton}^{b.1241 of Plumpton, England d.1298}	^{Avicia de Clare}^{b.1217 of Plumpton, England d.}

	^{Robert Plumpton}^{b.1268 of Plumpton, England d.1325 of Plumpton, England}		^{Serlonis de Westwick}^{b.1217 d.}

		^{Isabella de Westwick}^{b.1243 of Grassington, England d.}

^{William de Plumpton}^{b.1304 of Plumpton, England d.1362}			^{William de Ross}^{b.1210 Helmsley Yorkshire, England d.1246}

		^{William de Ros}^{b.1244 Ingmanthorpe, England d.1310}	^{Lucia FitzPiers}^{b.1225 forest of Dean, England d.}

	^Lucy Roos^{b.1270 of Plumpton, England d.1332}

		^{Eustace FitzHugh}^{b.1246 Ingmanthorpe, England d.}