What groups invaded the lands of the Romans?

Answer 1

If you are referring to the invasions of the western part of the Roman Empire, the groups were the Vandals Sueves Alans, Burgundians and Alemanni.

In the 3rd century AD the western part of the Roman Empire was raided by the Franks and Alemanni. .The east was attacked by the Heruli and the Goths.

In the 2nd century AD the western part of the Roman Empire was raided by the Franks and Alemanni . The eastern part was attacked by Marcomanni, Quadi, Iazyges, Naristi, Chatti, Chauci, Langobardi, Hermunduri, Suebi, Buri, Cotini, Vandals, Roxolani, Bastarnae, and Costoboci.