Johann von Sachsen-Wittenberg 
Albrecht von Sachsen-Wittenberg 
Miesko von Sachsen-Wittenberg 
Gertrude Markham1 
Her married name became Sadleir.1
Children of Gertrude Markham and Sir Thomas Sadleir
- Ralph Sadleir3 d. 12 Feb 1660
- Gertrude Sadleir+1 d. a 3 Jun 1635
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume I, page 285. Hereinafter cited as The Complete Peerage.
- [S7529] WikiTree, online http://www.wikitree.com/. Hereinafter cited as WikiTree.
- [S6] Cokayne, and others, The Complete Peerage, volume I, page 286.
Wilhelm von Sachsen-Wittenberg 
Albrecht III Kurfürst von Sachsen 
He gained the title of Kurfürst von Sachsen.
Eufemia von Oels 
Elisabeth von Sachsen-Wittenberg 
Friedrich Prinz von Anhalt-Bernburg-Schaumburg-Hoym 
He gained the title of Prinz von Anhalt-Bernburg-Schaumburg-Hoym.
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Anne von Sachsen-Wittenberg 