View source for Friedrich III, Duke of Holstein-Gottorp (1597-1659)

[[File:Friedrich_III_Herzog_von_Schleswig-Holstein-Gottorf.jpg|300px|thumb|right|''Friedrich III of Holstein-Gottorp<br />
Source: [http://en.wikipedia.org/wiki/File:Friedrich_III_Herzog_von_Schleswig-Holstein-Gottorf.jpg Wikipedia Commons]'']]
Friedrich III (Frederick), Duke of Holstein-Gottorp, 1616-1659; born 22 December 1597, the eldest son of Duke Johann Adolf of Holstein-Gottorp (1575-1616) and Augusta of [[Denmark|Denmark ]](1580-1639), (daughter of [[Frederik II, King of Denmark and Norway (1534-1588)|King Frederik II of Denmark]]). He succeeded his father as duke in 1616.

Friedrich continued the moderate toleration his father Johann Adolf had shown the Mennonites. Dutch immigrants founded the city of [[Friedrichstadt (Schleswig-Holstein, Germany)|Friedrichstadt]] at the conjunction of the Treene and the Eider in 1621; [[Remonstrants|Remonstrants]] were among the leaders of the undertaking, and it is owing to them that the Mennonites in the city were also granted complete religious liberty. Those living in other towns were permitted to come to Friedrichstadt to worship, but were to avoid private conventicles. He was less tolerant toward the Davidjorists in [[Eiderstedt (Nordfriesland, Schleswig-Holstein, Germany)|Eiderstedt]]. At the request of the Lutheran provost Johannes Moldenit at Tönning he ordered the search of homes for Davidjorist books in 1635. He supported Moldenit in the long-drawn-out trial against the [[Davidjorists|Davidjorists]]. Though he was not as severe as their accusers wished, he nevertheless demanded that they sign a confession renouncing their heresies; a quantity of Davidjorist books were publicly burned, the defense of their doctrine and possession of Davidjorist books strictly forbidden. But all hostility toward those who had "purified" themselves by confession was also forbidden.

Friedrich died 10 August 1659 and was succeeded by his son Duke Christian Albrecht (1641-1695).
= Bibliography =
Hansen, R. "Der David-Joristen-Prozess in Tönning 1642." <em>Schriften des Vereins für schleswig-holsteinische Kirchengesch</em>. I, No. 5 (Kiel, 1900): 31-115, 175-237, 344-99; also "Wiedertäufer in Eiderstedt," op. cit., II.

Hege, Christian and Christian Neff. ''Mennonitisches Lexikon'', 4 vols. Frankfurt &amp; Weierhof: Hege; Karlsruhe: Schneider, 1913-1967: v. I, 713.
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