Duke Johann of Oldenburg (Q75390945)
German prince
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Current Data About Duke Johann of Oldenburg
(P21) (Q6581097)
(P22) (Q64976)
(P25) (Q2280905)
(P26) (Q75390946)
(P31) (Q5)
(P40) (Q3512965)
(Q75275641)
(Q75270356)
(P569) Wednesday, January 3, 1940
(P735) (Q11122389)
other details
aliases Johann Friedrich Adolf von Holstein-Gottorp, Herzog von Oldenburg
description German prince

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