Buonaccorso "Coscio" Gambacorta
Buonaccorso Gambacorta, known as Coscio, was a Pisan merchant and politician, son of Vernaccio and brother of Gherardo. In 1295 he joined a trading partnership in Sardinia whose ships carried various goods. He first served among Pisa's elders in 1297 and held the office repeatedly until 1312.
In 1309 he joined an embassy to Barcelona that proposed placing Pisa under King James II of Aragon. He died in Pisa before 1330.