
Giovanni Borgia, 2nd Duke of Gandía was the son of Pope Alexander VI and a member of the House of Borgia. He was murdered in 1497. He was the brother of Cesare, Gioffre, and Lucrezia Borgia. Giovanni, commonly known as Juan, is believed to be the eldest of the Pope's four children by Vannozza dei Cattanei, but this is disputed. Due to the contents of a number of papal bulls issued after his murder, it is unclear whether Giovanni was born in 1474 or 1476.

Caligula, formally known as Gaius, was the third Roman emperor, ruling from 37 to 41. The son of the popular Roman general Germanicus and Augustus's granddaughter Agrippina the Elder, Caligula was born into the first ruling family of the Roman Empire, conventionally known as the Julio-Claudian dynasty.
Domitian was Roman emperor from 81 to 96. He was the son of Vespasian and the younger brother of Titus, his two predecessors on the throne, and the last member of the Flavian dynasty. During his reign, the authoritarian nature of his rule put him at sharp odds with the Senate, whose powers he drastically curtailed.

Gaius Julius Caesar was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating Pompey in a civil war and governing the Roman Republic as a dictator from 49 BC until his assassination in 44 BC. He played a critical role in the events that led to the demise of the Roman Republic and the rise of the Roman Empire.

Giacomo Matteotti was an Italian socialist politician. On 30 May 1924, he openly spoke in the Italian Parliament alleging the Fascists committed fraud in the recently held elections, and denounced the violence they used to gain votes. Eleven days later he was kidnapped and killed by Fascists.

Pellegrino Luigi Odoardo Rossi was an Italian economist, politician and jurist. He was an important figure of the July Monarchy in France, and the minister of justice in the government of the Papal States, under Pope Pius IX.
Verginia, or Virginia, was the subject of a story of ancient Rome, related in Livy's Ab Urbe Condita.