Hi,
I think that the sister of your great parent Calogera Diliberto, born the november 12th 1882 at San Ciperello - Palerme, was marrried in tunisia en 1900 with Mr Giacchille Gaëtan.
Yous can see that on this website :http://debono.club.fr/mariagestunisie/BG18.html

They had 6 children, all born ...