Born into an old, wealthy equestrian branch of the Plebeian Octavii family, Augustus was adopted posthumously by his maternal great-uncle Gaius Julius Caesar in 44 BC following Caesar's assassination.

* Upon his adoption by Caesar, he took Caesar's name and become Gaius Julius Caesar Octavianus in accordance with Roman adoption naming standards.

* As part of his actions to strengthen his political ties to Caesar's former soldiers, in 42 BC, following the deification of Caesar, Octavian added Divi Filius ( Son of the Divine ) to his name, becoming Gaius Julius Caesar Divi Filius.

* In 38 BC, Octavian replaced his praenomen " Gaius " and nomen " Julius " with Imperator, the title by which troops hailed their leader after military success, officially becoming Imperator Caesar Divi Filius

On 15 March 44 BC, Octavius's adoptive father Julius Caesar was assassinated by a conspiracy led by Marcus Junius Brutus and Gaius Cassius Longinus.

Upon his adoption, Octavius assumed his great-uncle's name, Gaius Julius Caesar.

| ALTERNATIVE NAMES = Gaius Julius Caesar Octavianus ; Octavian ; Gaius Octavius Thurinus

* 43 BC – Gaius Julius Caesar Octavianus, later known as Augustus, compels the Roman Senate to elect him Consul.

From the marriage of Julia and Agrippa, Agrippina had four full-blood siblings: a sister Julia the Younger and three brothers: Gaius Caesar, Lucius Caesar and Agrippa Postumus.

The six children who survived to adulthood were the sons: Nero Caesar, Drusus Caesar and Caligula born as Gaius Julius Caesar Germanicus and the daughters Julia Agrippina or Agrippina the Younger, Julia Drusilla and Julia Livilla.

According to Suetonius who had cited from Pliny the Elder, Agrippina had borne to Germanicus, a son called Gaius Julius Caesar who had a lovable character.

On 9 August 48 BC at Pharsalus in central Greece, Gaius Julius Caesar and his allies formed up opposite the army of the republic under the command of Gnaeus Pompeius Magnus (" Pompey the Great ").

* Military Heritage published a feature about the Battle of Actium, involving Mark Antony, Gaius Julius Caesar Octavianus aka.

The Dictatorship was definitively abolished in 44 BC after the assassination of Gaius Julius Caesar.

His maternal grandparents were Mark Antony and Octavia Minor, Augustus ' sister, and therefore the great-great grandnephew of Gaius Julius Caesar.

His nephew Nero Caesar both envied and admired the fact that Gaius had run through the vast wealth Tiberius had left him in so short a time.

He states that both the elder Gaius Julius Caesar ( Julius Caesar ) and the younger Gaius Julius Caesar ( Caligula ) were stabbed 30 times by conspirators led by a man named Cassius ( Cassius Longinus and Cassius Chaerea ).

Due to his devotion to her, Messalina was able to manipulate Claudius into ordering the exile or execution of various people: the Roman philosopher Seneca the Younger ; Claudius ’ nieces Julia Livilla and Julia ; Marcus Vinicius ( husband of Julia Livilla ); consul Gaius Asinius Pollio II ( see Vipsania Agrippina ); the elder Poppaea Sabina ( mother of Empress Poppaea Sabina, second wife of Nero ); consul Decimus Valerius Asiaticus ; and Polybius.

Livilla was married twice, first in 1 BC to Gaius Caesar, Augustus ' grandson and potential successor.

Nero's siblings included four brothers ( Tiberius and Gaius Julius, who died young ; Drusus Caesar ; and the future Emperor Caligula ) and three sisters ( Agrippina the Younger, Julia Drusilla, and Julia Livilla ).

Their parents had 12 children, but only one daughter ( who later married Scipio Africanus the Younger ) and two sons, Tiberius and Gaius, survived childhood.

He had grown close to Lucius Ceionius Commodus, husband of the daughter of Gaius Avidius Nigrinus, a dear friend of Trajan who was executed for attempting to overthrow Hadrian early in his reign.

He married firstly before the year 40 a woman named Petronia, daughter of Publius or Gaius Petronius Pontius Nigrinus, by whom he had a son Aulus Vitellius Petronianus, the universal heir of his mother and grandfather.

Claudia Marcella, Messalina's paternal grandmother, was the daughter of Augustus ' sister Octavia the Younger by her marriage to Gaius Claudius Marcellus Minor.

* Mariamne, who married Gaius Julius Archelaus Antiochus Epiphanes ; they had a daughter Berenice ( daughter of Mariamne ) AD who lived with her mother in Alexandria, Egypt after her parents divorce

* Julia Tertulla, daughter of suffect consul Gaius Julius Cornutus Tertullus

2nd century ), daughter of Roman Usurper Gaius Avidius Cassius who married Roman politician Quintus Tineius Sacerdos

Married to Quinctia, daughter of Lucius Quinctius, who was executed in 43 BC, Pollio is also notable as the father of Gaius Asinius Gallus Saloninus, the second husband of Vipsania Agrippina, daughter of Marcus Vipsanius Agrippa, Augustus's partner, second-in-command and second son-in-law.

In 43 his first son, Gaius Julius Archelaus Antiochus Epiphanes, was betrothed to Drusilla, a daughter of Agrippa I.

He had two children in his marriage with Afinia Gemina Baebiana: Gaius Vibius Volusianus, later Emperor, and a daughter, Vibia Galla.

Milo became praetor in 54 BC, and in that year married Cornelia Fausta, daughter of the dictator Lucius Cornelius Sulla and ex-wife of Gaius Memmius.

Iotapa bore Alexander three children: two sons Gaius Julius Agrippa, Gaius Julius Alexander Berenicianus and a daughter Julia Iotapa ( below ).

She was the daughter to King Gaius Julius Alexander and Queen Julia Iotapa of Cetis.

He had been married first to Papiria Masonis ( or Papiria Masonia ), daughter of the consul Gaius Papirius Maso ( consul in 231 BC ), whom he divorced, according to Plutarch, for no particular reason.

Gaius Memmius was married to Cornelia Fausta, the daughter of Lucius Cornelius Sulla.

His mother was a daughter from consul Gaius Claudius Marcellus Minor's first marriage.

Following his first wife's death, he married Claudia Pulchra, daughter of Claudia Marcella Minor ( daughter of consul Gaius Claudius Marcellus Minor and Octavia Minor, elder sister of Augustus ) and consul Aemilius Lepidus Paullus ( nephew of Triumvir Marcus Aemilius Lepidus ).

As he left his home, his wife Licinia, daughter of Crassus, begged him not to go meet the same men who had murdered and dishonored Tiberius Gracchus, knowing well enough that Gaius was to die that day.

Iullus married Octavia's daughter and Octavian's niece Claudia Marcella Major and they had three children: two sons Lucius Antonius, Gaius Antonius and a daughter Iulla Antonia.

#* Antonia, granddaughter of Gaius Antonius Hybrida, married the wealthy Greek Pythodoros of Tralles.

104 BC – after 39 BC ), known in the sources as Julia Antonia to distinguish her from the others, was the wife of Marcus Antonius Creticus and mother of Gaius and Lucius Antonius and Mark Antony, the triumvir.

Lucius was son of Marcus Antonius Creticus, son of the rhetorician Marcus Antonius Orator executed by Gaius Marius ' supporters in 86 BC, and Julia Antonia, a cousin of Julius Caesar.

Gaius Antonius ( died 42 BC ) was the second son of Marcus Antonius Creticus and Julia Antonia, and thus, younger brother of Mark Antony, triumvir and enemy of Caesar Augustus.

Creticus was son of Marcus Antonius Orator and by his marriage to Julia Antonia he had three sons: Triumvir Marcus Antonius, Gaius Antonius and Lucius Antonius.

In 65, Tacitus records the rumour that Gaius Calpurnius Piso intended to marry Antonia, as an element of his conspiracy against Nero.

He was an uncle to Lucius Julius Caesar IV, Julia Antonia and a great-uncle to Mark Antony, Gaius Antonius, Lucius Antonius and Lucius Julius Caesar V.

Their sons were Lucius Antonius, Gaius Antonius and a daughter Iulla Antonia.