An engraved emblematic double page plate with the family tree of the rulers of Savoy. The head of the plate bears a portrait of Charles Emanuel, Duke of Savoy and his wife. The lower left features an inset map of the region entitled ‘Pedemontana Regio Cum Confinib’. It is from Antonio Albizzi’s ‘Principum Christianorum Stemmata’, a popular work of the day. It was engraved by David Custodis. The family tree of the local Royal and notable family is laid out. Graesse I 58; Shirley G.Albi 1a.