Haigerloch
...
A'ab-a Shewa was son of Ester-Ayawa-ha,sister of king David,and possible ancestor of both Schwab family and whole of shwab nation,while his brother Awaya'a-Ba may well be considered that of the Bayawaar -both of Österreich,that is Ayawa-Ester-reich of course.
They may have spoken abshwa variation of the abaz'a language of the sons of th nomad Bnón,of A-Ze'Aba.
Jews and christians call them Abishay,Yoab,Tseruyah and Ze'eb.
Balázs Déri says this.