The three partitions of Poland occurred in 1772, 1793, and 1795 between
Prussia, Austria and Russia.
The defeat of Prussia and Austria by Napoleon revived Poland in the
formation of the duchy of Warsaw 1807-1815.
After Napoleon's defeat, the Congress of Vienna (Wien) redrew the Polish
map again in 1815 between Prussia, Austria and Russia. Russia claimed the
bulk of Poland in the form of "Congress-Poland" and the Czar adopted the
title King of the Kingdom of Poland.
This map remained unchanged until 1918 at the end of WWI.
It is this "Russian Poland" and "Austrian Poland" (Galizien)
which is being discussed here.
During the Prussian period, 1793-1806 (South Prussia) emigrants
came from Prussia, especially from the Przechowka, Obernessau, Montau-Gruppe
and Neumark congregations.
For a brief period, 1804-1805, Mennonites attempted to start a settlement
near Uniejow near the Warta river whose fate is unknown.

The Swabians

During the period of the Prussian Administration after the 3rd Partition of Poland (1795-1807) a systematic founding of new settlements was started by the Prussian Authorities. The new settlements were called "Schwabendörfer" (Swabian villages) because the new settlers were preferably recruited from the Pfalz, Hessen, Lothringen and Württemberg.

The government supported the settlers with the supply of land, travel expenses, building of the new houses and farming tools.

In 1797 the colony Schröttersdorf near Płock was founded. Later it was divided into the villages Maszewo, Chełpowo, Powsino and Biala. In 1803 the place Leonberg (Lwówek) was founded Southeast of Gąbin. More Swabian villages developed in the area of Łódz.

There were no  Prussians foundings in the Dobriner Land.67

Leonberg was an old "Schwabensiedlung" in Poland, not far from Gostynin. According to Polish statistics, in 1921 the village had 748 inhabitants, of whom 692 were German. 694 of the total inhabitants were also listed as "Evangelical" (Lutheran). I found this data in Statistisches Handbuch Für Das Gesamte Deutschtum by Wilhelm Winkler, published in 1927.

Family will reside in Lwowek (Leonberg) Poland

Confirmed Gabin/Gombin Luthern Church - Poland June 24, 1888

Wilhelm came to the United States March 23, 1907 arriving on the boat “Gara”or “Gera” in the port of Baltimore, Maryland. HIs previous living location is listed as Warsaw, Poland and he renounces his allegiance to the Czar of Russia, Poland at that time being part of Russia. Last name is spelled Ginzler on his Naturalization papers. Also says that Frieda is living in Warsaw Poland in 1920.

Obit claims he came to Seattle in 1911 after living in Philadelphia

An interesting side note, he claims in 1916 that his wife lives with him. HIs residence is listed as 3044 Beacon Ave Seattle WA.

Naturalization papers in the National Archives: Applied Feb 26, 1916.

1920 Census - 1031 Pearl St Seattle WA - Laborer Flour Mill

1922 Living at 1021 Pearl St. Seattle WA

3040 Bewanove Seattle - Address on the ship manifest of his wife Friedericka when she arrives in 1923.

1923 Seattle Directory has W. Genzler, labor, r1031 Pearl

1930 Census 1031 Pearl, age 55, born in Poland, speaks German, arrived in the US in 1906, Laborer at Flour Mill (Fisher)