Well a son of Augustus and Livia will change almost everything in the second wave of weddings in the next generation of Julio-Claudians:
I can try to make a sort of tree for them
Caius Iulius Caesar Octavianus Augustus married a) Clodia b) Scribonia c) Livia Drusilla
1b) Iulia Augusti married a) Marcus Claudius Marcellus b) Iullus Antonius
2c) Caius Iulius Caesar Augustus married ?
Livia Drusilla married a) Tiberius Claudius Nero b) Caius Iulius Caesar Octavianus Augustus
1a) Tiberius Claudius Nero married Vipsania Agrippina (daughter of Marcus Vipsania Agrippa by his first wife Caecilia Attica)
2a) Decimus Claudius Drusus later Nero Claudius Drusus Germanicus married Antonia Minor
3b) Caius Iulius Caesar Augustus married ?
Octavia Minor married a) Marcus Claudius Marcellus b) Marcus Antonius
1a) Marcella Maior married Marcus Vipsanius Agrippa
2a) Marcus Claudius Marcellus married Iulius Augusti
3a) Marcella Minor married?
4b) Antonia Maior married Lucius Domitius Ahenobarbus
5b) Antonia Minor married Nero Claudius Drusus Germanicus
Marcus Antonius married a) Antonia Hybrida Minor b) Fulvia c) Octavia Minor
1a) Antonia (Prima) married Pythodoros of Tralles
2b) Marcus Antonius Antyllus
3b) Iullus Antonius married Iulia Augusti
4c) Antonia Maior married Lucius Domitius Ahenobarbus
5c) Antonia Minor married Nero Claudius Drusus Germanicus