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| Link | Info | Name | Rel. | Birth | Death | Gender | Manager | Marriage | Status | |
|---|---|---|---|---|---|---|---|---|---|---|
Courland-1 H   |
Jelgava | Jakob Duke of Courland Kettler (Courland) | 28 Oct 1610 Kuldīga, Latvia | 1 Jan 1682 | Male |  |
Woods-2350 |
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| Q313191 | Jacob Kettler (Duke of Courland) | 28 Oct 1610 Kuldīga Latvia | 31 Dec 1682 1 Jan 1682 Jelgava Latvia | male | ||||||