Libo came from the upper ranks of the Roman aristocracy. He was the son of Marcus Annius Verus, consul III in 126, and Rupilia Faustina. Annius Verus was Spanish of Roman descent. Rupilia was the daughter of Lucius Scribonius Libo Rupilius Frugi Bonus and Vitellia (daughter of emperor Vitellius). Libo is known to have had three siblings, two sisters and one brother. His elder sister was the Empress Faustina the Elder (mother of the Empress Faustina the Younger) and his younger sister (whose name is missing, but surmised to be Annia) was the wife of Gaius Ummidius Quadratus Sertorius Severus, suffect consul in 118. His brother was Marcus Annius Verus, the father of Marcus Aurelius.
Beyond his consulship, almost nothing is known of his senatorial career. During the reign of his brother-in-law, Antoninus Pius, he was one of seven witnesses to a Senatus consultum issued to the city of Cyzicus in 138, which sought approval for establishing a corpus juvenum for the education of young men.
Libo married a noblewoman whose name has been surmised as Fundania, daughter of Lucius Fundanius Lamia Aelianus, consul in 116, and wife Rupilia Annia. They are known to have together two children:
Nerva–Antonine family treeEdit
Except where otherwise noted, the notes below indicate that an individual's parentage is as shown in the above family tree.
- Rupilius. Strachan stemma.
- Settipani, Christian (2000). Continuité gentilice et continuité familiale dans les familles sénatoriales romaines à l'époque impériale: mythe et réalité. Prosopographica et genealogica (in Italian). Vol. 2 (illustrated ed.). Unit for Prosopographical Research, Linacre College, University of Oxford. p. 278. ISBN 9781900934022.
- Based on the stemma provided by Anthony Birley, Marcus Aurelius: A Biography, revised edition (London: Routledge, 1993), p. 236
- Alison E. Cooley, The Cambridge Manual of Latin Epigraphy (Cambridge: University Press, 2012), p. 470
- Birley, Marcus Aurelius, p. 54
- Birley, Marcus Aurelius, p. 236