The deaths of George's brothers between 1417-1469 without male heirs left him as the sole ruler of Anhalt-Dessau until his own death, which occurred in Dessau.
Georgi vendade surmad ajavahemikus 1417–1469 ilma meessoost pärijateta tegid temast Anhalt-Dessau ainuvalitseja kuni tema oma surmani.