Yes, indeed in modern german the Sweboz are called "sueben" and they've given the name for the modern Schwaben. This phenomenon is the same for other germanic tribes: The francs, Bajuwaren (Bayern), Alamani, Saxons, Frisians, Chatti (Hessen) etc.
However, this doesnt always imply a straight descendence from these tribes.
EDIT: In case someone wants to be given sources, I'll look them up later.
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