William de Bohun, b: 1309 - 1st Earl of Northampton,




		^{Humphrey de Bohun}^{b.1276 Of Pleshey Castle, Essex d.1322 Boroughbridge, Yorks}

	^{William de Bohun}^{b.1309 1st Earl of Northampton d.1360}		^{Edward Plantagenet}^{b.1239 Edward I King of England d.1307 Burgh-by-San, Cumbria}

^{Humphrey de Bohun}^{b.1341 2nd Earl of Northampton d.1373}		^{Elizabeth Plantagenet}^{b.1282 Princess of England d.1316 Quendon, Essex}	^{Eleanor of Castile}^{b.1244 d.1290}

^{Elizabeth de Bohun}^{b.1350 d.1385}



	^{Elizabeth de Badlesmere}^{b.1313 d.1356}