Friedrich IX von Zollern 
Children of Friedrich IX von Zollern and Adelfeid von Hohenberg
- Friedrich Ostertag I von Zollern d. bt 1407 – 1410
- Adelheid von Zollern b. b 1379, d. a 16 Dec 1415
Adelheid von Zollern 
Edward Waldegrave1 
Child of Edward Waldegrave
- [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 284. Hereinafter cited as The Complete Peerage.
- [S37] BP2003 volume 2, page 1818. See link for full details for this source. Hereinafter cited as. [S37]
Anna Gräfin von Sulz 
Friedrich XII Graf von Zollern 
Agnes Imple1
She was ‘ a German lady.2‘ Her married name became Astley.1
Children of Agnes Imple and Jacob Astley, 1st Baron Astley of Reading
- [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 284. Hereinafter cited as The Complete Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume I, page 285.
Adelfeid von Hohenberg 
Children of Adelfeid von Hohenberg and Friedrich IX von Zollern
- Friedrich Ostertag I von Zollern d. bt 1407 – 1410
- Adelheid von Zollern b. b 1379, d. a 16 Dec 1415
Friedrich Ostertag I von Zollern 
Friedrich Ostertag IV von Hohenzollern 
Friedrich von Hohenzollern 
He was a canon in Strassburg.
