When Jacob Friedrich Haff was born on 17 January 1810, in Thorn, West Prussia, Prussia, Germany, his father, Jacob Friedrich Haff, was 38 and his mother, Johanna Friederica Krause, was 18.
German:
dialect variant of Hoff ‘farm’.
from Middle Low German haf ‘sea, lagoon’, most likely denoting someone living by one of the lagoons on the Baltic coast, German Haff.
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