Question: Were Martin Stern Jr. and Christoph Von Graffenried, 1St Baron Of Bernberg of the same nationality?
Sentence (from "Poul Abraham Lehn"): Poul Abraham Lehn( 9 October 1732 – 24 October 1804), Baron of Lehn and Baron of Guldborgland, was a feudal baron of the Danish and Norwegian nobility and one of the greatest landowners of his time in Denmark.
Relevant evidence: No