By the terms of his will, the duke had stated that he directed and appointed as heirs to his "county, and to our possessions whatever they may be, those, male and female, who by law or local custom ought or may inherit."
Testamendi tingimuste kohaselt teatas hertsog, et on nimetanud pärijad oma "krahvkonnale ja muudele valdustele, kus need ka on, need mehed ja naised, kes seaduse või kohaliku tava järgi peaks või võiks pärida".