Society thumb|upright=1.0|The Ludovisi Gaul, Roman copy of a Hellenistic sculpture of a dying Celtic couple, Palazzo Massimo alle Terme. To the extent that sources are available, they depict a pre-Christian Iron Age Celtic social structure based formally on class and kingship, although this may only have been a particular late phase of organisation in Celtic societies. Patron-client relationships similar to those of Roman society are also described by Caesar and others in the Gaul of the 1st century BC.
Society thumb|upright=10|The Ludovisi Gaul, Roman copy of a Hellenistic sculpture of a dying Celtic couple, Palazzo Massimo alle Terme. To the extent that sources are available they depict a pre-Christian Iron Age Celtic social structure based formally on class and kingship, although this may only have been a particular late phase of organisation in Celtic. societies Patron-client relationships similar to those of Roman society are also described by Caesar and others in the Gaul of the 1st century BC