A good commonly known example is of [[Octavian]] who later became the adopted son of [[Julius Caesar]] and Emperor. Whereas his name ''Octavian'' was his family or [[gens]] [[nomen]], which changed upon adoption to the gens [[nomen]] of ''Julius''. While his personal / ''praenomen'' given upon birth remained the same: Gaius.
+
A good commonly known example is that of [[Octavian]] who later became the adopted son of [[Julius Caesar]] and Emperor. Whereas his name ''Octavian'' was his family or [[gens]] [[nomen]], which changed upon adoption to the gens [[nomen]] of ''Julius''. While his personal / ''praenomen'' given upon birth remained the same: Gaius.