Konrad Johann von Engelhardt (Q124476973)
Language:
(P21) (Q6581097)
(P22) (Q12370478)
(P25) (Q128158807)
(P26) (Q124476985)
(P31) (Q5)
(P569) Thursday, January 29, 1835
(P570) Sunday, February 24, 1884
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