There are 2 titles associated with this person.

@book{ wphp_2258
  author={de la Roche-Guihen,Anne},
  year={1772},
  title={The history of female favourites. Of Mary de Padilla, under Peter the Cruel, King of Castile; Livia, under the Emperor Augustus; Julia Farnesa, under Pope Alexander the Sixth; Agnes Soreau, under Charles Vii. King of France; and Nantilda, under Dagobert, King of France.},
  publisher={John Exshaw I [Dame Street] \& Henry Saunders [Castle Street] \& James Potts \& William Sleater I [Castle Street] \& Richard Moncrieffe [16 Capel Street] \& Dillon Chamberlaine [Dame Street] \& James Hoey, Junior [Parliament Street]},
  address={Dublin},    }
@book{ wphp_2259
  author={de la Roche-Guihen,Anne},
  year={1772},
  title={The history of female favourites. Of Mary de Padilla, under Peter the Cruel, King of Castile; Livia, under the Emperor Augustus; Julia Farnesa, under Pope Alexander the Sixth; Agnes Soreau, under Charles Vii. King of France; and Nantilda, under Dagobert, King of France.},
  publisher={Charles Parker [93 New Bond Street]},
  address={London},    }