in the beginning we, the Culmsees, were from
Culmsee Chelmza heraldic Animation
http://culmsee.com/wordpress-weblog/culmsee-chelmza-heraldic-animation/
updated 3rd version with added information concerning name’s source of LAKE at Poland (Polska): 
Culm…
exploring our name Culm-see = Culm-lake
(the way sometimes I’m explaining) the name Culm exists in variations: CulmerLand (Culm’s land) and another town named Culm (Chełmno), all at the area northwards of our lake … and Culmsee’s settlement from 1222 mentioned (1251 city rights) means that during Middle Ages before 12th century and longer ago people there had settled without a village nearby, settled just near the lake – wellspring for life: water for living, farming – and therefore ʺweʺ came fom the lake …
at Kulmer Land / Culmerland / Culmer Land (M.A. historical landscape > https://en.wikipedia.org/wiki/Chełmno_Land ): town Chełmno nearby Chełmża (distance 26 km = 16 miles)
at en.wikipedia: Chełmża’s Jezioro Chełmżyńskie (the Lake)
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