I see there are a couple posts about the Agostinis from Corsica in Trinidad already.
Here is what I have:
Simon Agostini b abt 1773 in Corsica immigrated to Trinidad. His father could be a Dominique Agostini from Corsica.
Wives: Elizabeth Marthe Peschier, Maria del Rosario de Hospedales
Children born in Trinidad:
Auguste, Joseph, Santiago, John
Auguste married Eugenia Campo Joseph married Aurelie D'Ancla Santiago i have no info John married Alix Ganteaume
I am a descendant of Auguste and Eugenia
There is a book called The Corsicans in Trinidad, by Fr. Anthony DeVeteuil (Trinidad) which has plenty of information and some pictures of the Agostini families in Trinidad (as well as other Corsican immigrants to Trinidad)
I am reading that there are some hints that Simon came from a family of 14 siblings. Please, if you have any information on those siblings or his parents - please contact me!