He succeeded his father Ugolino III Trinci, jointly with his brothers Niccolò and Corrado.
In 1421 the Castellan of Nocera Umbra, Pietro di Rasiglia, who suspected his wife of adultery with Niccolò, invited the whole Trinci family to a hunting party and killed all of them, except the young Corrado, who took revenge by attacking the town and killing the castellan.
[1] However, it was commonly suspected that the young Corrado may have been complicit in the murder of his brothers, in order to become Lord of Foligno.
In addition, Pietro Rasiglia had just reconfirmed as castellan by Niccolò to the town of Nocera, despite having been previously removed due to his cruelty to villagers, whom he also accused of adultery with his wife.
Braccio da Montone moved against the castle with Corrado Trinci and destroyed it.