Anne 's paternal grandparents were Sir Richard Wydeville and Joan Bedlisgate , and her maternal grandparents were Peter I of Luxembourg , Count of Saint - Pol , Conversano and Brienne , and Margaret de Baux .
Anne 's paternal grandparents were Sir Richard Wydeville and Joan Bedlisgate . 
 Her maternal grandparents were Peter I of Luxembourg , Count of Saint - Pol , Conversano and Brienne , and Margaret de Baux .