Niccolò I Trinci was the lord of Foligno

Foligno

Foligno is an ancient town of Italy in the province of Perugia in east central Umbria, on the Topino river where it leaves the Apennines and enters the wide plain of the Clitunno river system...

 from 1412. He inherited it from his father Ugolino III Trinci

Ugolino III Trinci

Ugolino III Trinci was Lord of Foligno in the early 14th century.The son of Trincia II Trinci, he was justice gonfalonier and "Captain of the People" of Foligno from 1386, succeeding to his brother Corrado, and receiving the title of Papal vicar from the Pope in 1405...

. He fought also as condottiero for the Republic of Venice

Republic of Venice

The Republic of Venice or Venetian Republic was a state originating from the city of Venice in Northeastern Italy. It existed for over a millennium, from the late 7th century until 1797. It was formally known as the Most Serene Republic of Venice and is often referred to as La Serenissima, in...

. In 1404 he had married Tora da Varano, daughter of Rodolfo III da Varano, lord of Camerino

Camerino

Camerino is a small town of 7.135 inhabitants in the Marches , in the province of Macerata, Italy. It is located in the Apennines bordering Umbria, between the valleys of the rivers Potenza and Chienti, about 40 miles from Ancona....

.

In 1421 the Castellan of Nocera Umbra, Pietro di Rasiglia, since suspected his wife of adultery with Niccolò, invited the whole Trinci family to an hunting party and killed all the them, except the young Corrado, who took revenge of the murder of his relatives attacking the town and killing the castellan.