Hauptbeschälerbuch Trakehnen N 332 (SBTRK I, HR 471, HROpr. 1914/3175)
Züchter: Duke of Portland, England
bought 1826 by Ldstm. von Burgsdorff for Trakehnen Stud, stood there from 1827-33, 1833-34 at Graditz Stud and sold to Frhr.von Hertefeld, Liebenburg, got blind and was therefore not bred anymore, died in 1842; he had a brilliant exterieur.
GStB III, 2. Edition, page 178, AGB I/323