/John De Burgh Earl Of Ulster
    /William De Burgh Earl Of Ulster
   |   |    /Gilbert De Clare
   |    \Elizabeth De Clare Baroness Damory
   |        \Joan of Acre Plantagenet
Elizabeth De Burgh Countess Of Ulster
   |        /Edmund Earl Of Lancaster 1st\Leicester
   |    /Henry Plantagenet KG Earl Of Lancaster 3rd
   |   |    \Blanche D'Artois Capet Queen Of Navarre
    \Maud Plantagenet
       |    /Sir Patrick de Chaworth
        \Maud de Chatworth
            \Isabel de Beauchamp is NOT responsible for the content of the GEDCOMs uploaded through the WorldConnect Program. The creator of each GEDCOM is solely responsible for its content.