Aged 17, he embarked in Port-Louis (Morbihan) as second surgeon on board the ship La Force.
Back in France, he completed his studies and entered the service of Prince de Conti.
[citation needed] In this book, Dellon narrates his trial and incarceration by the Portuguese Inquisition in Goa, Daman and later in Brazil and Lisbon, totaling 18 months.
He was accused of denying the validity of baptism and having blasphemed against the adoration of a crucifix, and in addition to having criticized the Inquisition.
Étude, édition & notes de Charles Amiel & Anne Lima, Chandeigne [fr], 1997.