Short answers, pulled from the story.
The word Suebi first appeared in Roman records during the 1st century BC when Julius Caesar described a group of Germanic peoples living near the Elbe River. Modern scholars trace this name to a reconstructed Proto-Germanic adjective meaning one's own or belonging to oneself.
Noble Suebian men wore a distinctive hairstyle known as the Suebian knot where hair was pulled back and tied high. This fashion helped distinguish nobles from commoners and slaves within their society while taller knots increased stature to strike fear into enemies.
The Marcomannic Wars erupted during the reign of Emperor Marcus Aurelius between 167 and 180 AD. A raid across the Danube initiated by Suebian Langobardi and Obii triggered decades of conflict that ended with plans for a new province collapsing after Marcus Aurelius died in 180 AD.
Large groups of Suebi entered Roman Gaul around 406 AD during a period of border weakness. They moved further west into Hispania by 409 AD arriving simultaneously with Vandals and Alans before forming agreements with rebel general Gerontius.
The Suebian kingdom endured until 585 when it was absorbed by the Visigoths. From 456 or 457 onward it functioned as a vassal state under Visigothic rule despite constant pressure from neighboring powers.