Georg was the son of unknown parents. The date and place of his birth have not been found.
His wife was Elisabeth von Plesse, who he married in 1550. The place has not been found. Their two known children were Elisabeth (1554-1616) and Katharina IV (?-<1583).
Note 1
son of Philipp, Graf von Gleichen-Tonna, b. Abt 1483, of, Gleichen, Hessen-Nassau, Prussia , d. 1549 & Margareta von Schönburg zu Waldenburg-Hartenstein-Lichtenstein-Glauchau, b. 1487, of, Glauchau, Chemnitz, Saxony , d. 1 May 1535