_Roger de CLARE E of Hertford_______________ _Richard de CLARE E of Hertford_________________|_Matilde de ST. HILARY _____________________ _Gilbert de CLARE E of Gloucester______________| | | _William FitzRobert E of Gloucester_________ | |_Amice FITZROBERT Countess of Gloucester________|_Hawise de BEAUMONT ________________________ _Richard de CLARE E of Gloucester_______________| | | _John MARSHAL ______________________________ | | _William MARSHAL E of Pembroke__________________|_Sibilla of Salisbury_______________________ | |_Isabel MARSHAL _______________________________| | | _Richard "Strongbow" de CLARE E of Pembroke_ | |_Isabella de CLARE _____________________________|_Eva MACMURROUGH of Leinster________________ _Gilbert de CLARE E of Gloucester_| | | _John Constble of Chester___________________ | | _Roger de LACY Lord of Pontefract_______________|_Alice de VERE _____________________________ | | _John de LACY E of Lincoln_____________________| | | | | ____________________________________________ | | | |_Maud de CLERE _________________________________|____________________________________________ | |_Maud de LACY __________________________________| | | _Saher de QUINCY E of Winchester____________ | | _Robert de QUINCY ______________________________|_Margaret de BEAUMONT ______________________ | |_Margaret de QUINCY ___________________________| | | _Hugh of CYVEILIOG E of Chester_____________ | |_Hawise of Chester______________________________|_Bertrade de MONTFORT ______________________ | |--Isabel de CLARE* | | _Hugh de LUSIGNAN __________________________ | _Hugh IX de LUSIGNAN C of La Marche & Angouleme_|_Orengarde _________________________________ | _Hugh X de LUSIGNAN C of La Marche & Angouleme_| | | | ____________________________________________ | | |_Agatha de PREUILLY ____________________________|____________________________________________ | _Hugh XI de LUSIGNAN C of La Marche & Angouleme_| | | | _William IV TAILLIFER C of Angouleme________ | | | _Ademar TAILLIFER C of Angouleme________________|_Marguarite de Turenne______________________ | | |_Isabel TAILLIFER of Angouleme_________________| | | | _Peter Prince of France_____________________ | | |_Alice de COURTENAY ____________________________|_Elizabeth de COURTENAY ____________________ |_Alice de LUSIGNAN* ______________| | _Robert I C of Dreux________________________ | _Robert II C of Dreux___________________________|_Agnes de Baudement_________________________ | _Pierre "Mauclerc" de Dreux D of Brittany______| | | | _Raoul I Sire de Coucy______________________ | | |_Yolande de Coucy_______________________________|_Agnes of Hainault__________________________ |_Yolande de Dreux_______________________________| | _William Vicompte de Thouars________________ | _Guy C of Thouars_______________________________|_Aenor de LUSIGNAN _________________________ |_Alix Duchess of Brittany______________________| | _Conan IV D of Brittany_____________________ |_Constance Duchess of Brittany__________________|_Marguarite of Huntingdon___________________