Livia Ocellina was the second wife of the Roman Emperor Galba's father. According to Suetonius she was:
Galba was raised by her and took on the name Lucius Livius Ocella (rather than his birth name of Servius Sulpicius Galba) during the period prior to his assumption of the purple.
References
Livia Ocellina Wikipedia(Text) CC BY-SA