In 439 Gaiseric established an independent autocracy in North Africa, and from there he led this people to sack Rome in 455.  
In 406, they crossed the Rhine and ravaged Gaul, before settling in Spain in 409.  There, the Asdingi group under Gunderic became the ascendant faction after the Romans dissipated the Silingi and Alani.  In 439 Gaiseric established an independent autocracy in North Africa, and from there he led this people to sack Rome in 455.  FTP these barbarians and militant Arian Christians.
In 406, they crossed the Rhine and ravaged Gaul, before settling in Spain in 409.  
Vandals