B-280 in The Immigration of German Colonists to Denmark and Their Subsequent Emigration to Russia in the Years 1759-1766.
Rus14-5 in The Immigration of German Colonists to Denmark and Their Subsequent Emigration to Russia in the Years 1759-1766.
Family #10 in the 1775 Grimm census.
Family #87 in the 1798 Grimm census.
Note: Johann Philip Dumler/Tumler was the uncle of Johann Georg Dumler from Wuerttemberg. His brother, Johann Georg Dumler, also listed in The Immigration of German Colonists to Denmark and Their Subsequent Emigration to Russia in the Years 1759-1766, is also listed in the 1775 census along with his children that include Johann Georg, born around 1766. He is the Georg Tumler that matches the Georg Tumer in the 1798 Grimm Census.
Johann Philipp was born on 7 Apr 1730 in Leonbronn. He was the son of Johann Philipp Dumler and Eva Barbara.
Johann Philip Dumler, a farmer, and his family were Evangelical Lutherans from the Württemberg area. He married his wife, Eva Barbara Hophan, on 10 August 1756 in Kleingartach, Neckarkreis, Württemberg. 
After suffering great economic losses, he and his wife decided to leave Germany for Denmark. Danish officials had offered to give Germans land and lodging in return for farming harsh wetlands, converting the land into usable farm land. The couple hoped to provide a better life for their one-year-old daughter. They arrived in Flensburg on 17 July 1761 and took their oath of allegiance to Denmark on 01 August 1761. 
While they lived in Denmark, they lived at two locations:
They were one of the families who found it impossible to tame the marshy wetlands. On 24 April 1765, they requested to immigrate to Russia, eventually going to the Volga region, the Colony of Grimm, with 57 other German Danes (Rus-14-6). 
Note: The spelling of their surname is all over the place. The Grimm census records refer to them as Dumler or Tumler, eventually settling on Tumler in later census records. In The Immigration of German Colonists to Denmark and Their Subsequent Emigration to Russia in the Years 1759-1766, the name is also spelled Domler. German records show the name as Dumler. His father was Johann Philip Dumler.
The Elisabeth in The Immigration of German Colonists to Denmark and Their Subsequent Emigration to Russia in the Years 1759-1766, Elisabeth Hophan, is probably not the same Elisabeth who is in the 1775 Grimm census. The former was born in 1730, in Germany, and the latter was born in 1759.
1775 Grimm Census 
1798 Grimm Census 
For a discussion about his marriage to Elisabeth Dorothea Lutz shortly after 1798, see Elisabeth Unknown Lutz.
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