Surname Dedem (Dedem 
) , in the entire world, is a rare cognomen. The last name Dedem is characteristic of Netherlands, where it is a rare surname, Switzerland, and Turkey, where it is a very rare surname. In absolute terms, this name is the most popular in Turkey, Netherlands, and Germany. Also, Dedem is the forename as well as the last name.
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| Dedem | Turkey, Germany, Indonesia, India, Netherlands |
| coenraad willem van dedem (b. 1644) |
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| gijsbert van dedem, heer van de gelder en windesheim 10 Aug 1686 Zwolle - 21 Jan 1738 Zwolle (b. 1686) |
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| gijsbert willem van dedem (1697-1762) (b. 1697) |
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| gijsbert frederik van dedem, heer van vosbergen 1698 H.Schouwenburg - 17 Oct 1763 Kasteel Vosbergen, Heerde (b. 1698) |
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| anthony van dedem, heer van de gelder 11 Apr 1715 Zwolle - 26 May 1770 H.de Gelder (b. 1715) |
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antoine-baudoin-gisbert van dedem French soldier and officer (1774-1825), FR (b. 1774) |
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| johanna walravina van dedem 21 Jul 1736 - 12 Feb 1802 (b. 1736) |
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| johanna philippa van dedem (1741-1815) (b. 1741) |
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| jhr. frederik gijsbert van dedem, heer van de gelder, peckendam, krytenberg 17 Feb 1743 - 3 Mar 1820 Castle de Gelder, Wijhe (b. 1743) |
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| jkvr. johanna philippina hermanna van dedem, vrouwe van de gelder, nyenhuis, ammerfelde 28 Oct 1772 Kasteel de Gelder, Wijhe - 6 Jan 1860 Kasteel de Gelder, Wijhe (b. 1772) |
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alexander van dedem politician (b. 1838) |
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| jan arend godert baron van dedem (b. 1780) |
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| carolina cornelia susanna leonora barones van dedem (1823-1855) (b. 1823) |
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| gabrielle eleonora barones van dedem (1916-1975) (b. 1916) |
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| willem van dedem Dutch businessman, art collector, art historian and philanthropist, NL (b. 1929) |
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