Can they be found in Geni, or created? References in profile …
https://royalfavourites.blogspot.com/2020/08/savoy-counts-dukes.html
Daughter of the Giantomaso Langosco (d.1575), Conte di Stoppiana, Emmanuele Filiberto's grand chancellor, & Antonia di Montafia.
https://books.openedition.org/irhis/