Karl Buchhorn and Maria Becker

My great-grandparents on my grandfather's side:
Karl Buchhorn
born on 27 Apr 1858 in Rosenorth (Roscyn, Poland today), Eastprussia.
He died on 22 Mar 1937 in Schoeppenstedt, Lower Saxony, Germany.
Maria Becker was born on 17 Oct 1858 in Langendorf a small village near Schippenbeil (Sepopol, Poland today), Eastprussia.
She died on 16 Sep 1933 in Schoeppenstedt, Lower Saxony, Germany.