In fact, he was the second and youngest son of John George and Dorothea who survived to adulthood; two of his older brothers, Frederick Maurice and Henry Waldemar, died in infancy.
[citation needed] After thirteen years of "co-government" between him and John Casimir, a treaty was signed on 28 January 1632 that divided the territories of Anhalt-Dessau; George Aribert took possession of just a few locations: Wörlitz (which he chose as his residence), Radegast, and Kleutsch.
Her father Christoph was "Cammerrath, Marschall und Hauptmann in Diensten" at the court of Georg Aribert's brother, John Casimir in Anhalt-Dessau.
The children of the marriage were to be nobles only, and bear the name "von Aribert"; they were denied any rights to princely name, title, or arms, and also excluded from the succession to Anhalt.
The Emperor issued a rescript to the princes of Anhalt in 1661 where he claimed that he wanted to uphold the contract but could not deny justice to Christian Aribert.
In case of the extinction of the entire House of Anhalt in all male lines, there would be no opposition to him or his male-line legitimate heirs making a claim to the principality.