Francis Duffield1 
- [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 297. Hereinafter cited as The Complete Peerage.
Adelheid von Baden 
She was the Abbess at LichtenthalG.
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Kunigunde von Baden 
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Rudolf II Graf von Wertheim
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Irmgard von Baden 
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Joseph Russell1
- [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 297. Hereinafter cited as The Complete Peerage.
Matilde von Baden 
Children of Matilde von Baden and Ulrich I Graf von Württemberg
- Ulrich II Graf von Württemberg b. bt 1253 – 1254, d. 1279
- Agnes von Württemberg+2 b. 1264, d. 27 Sep 1305
- Eberhard I Graf von Württemberg+3 b. 13 Mar 1265, d. 5 Jun 1325
- [S7803] Christof Steineg von Steinig, online unknown url, Christof Steineg von Steinig (unknown location).
- [S4623] Steinig Freiheer von Steinegg, “re: Truhendingen Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 12 May 2010. Hereinafter cited as “re: Truhendingen Family.”
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 142. Hereinafter cited as Dynasties of the World.
Ulrich I Graf von Württemberg1 
He gained the title of Graf von Württemberg.1
Children of Ulrich I Graf von Württemberg and Matilde von Baden
- Ulrich II Graf von Württemberg1 b. bt 1253 – 1254, d. 1279
- Agnes von Württemberg+3 b. 1264, d. 27 Sep 1305
- Eberhard I Graf von Württemberg+1 b. 13 Mar 1265, d. 5 Jun 1325
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 142. Hereinafter cited as Dynasties of the World.
- [S4623] Steinig Freiheer von Steinegg, “re: Truhendingen Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 12 May 2010. Hereinafter cited as “re: Truhendingen Family.”
- [S13] Detlev Schwennicke, editor, Europäische Stammtafeln: Stammtafeln zur Geschicht der Europäischen Staaten, Neue Folge: Band XVII (Frankfurt am Main, Germany: Vittorio Klostermann, 1998), tafel 3. Hereinafter cited as Europäische Stammtafeln: Band XVII.
Ulrich II Graf von Württemberg1 
He succeeded as the Graf von Württemberg in 1265.1
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 142. Hereinafter cited as Dynasties of the World.
Elisabeth von Baden 
