Grimoald sent Altzek and his followers to his son Romuald in Benevento and they were then granted by Romuald land northeast of Naples in the "spacious but up till that time deserted" towns of Sepino, Bovianum (Boiano), and Isernia, in the present-day region of Molise in the Apennines.
Kubratov grob so odkrili leta 1912 v Pereščepini v Ukrajini.