hello Mr. Schulenberg,
my grandgrandfather was Christian Heinrich Roggensack.I
have the kompl. tree back to 1635 / Mecklenburg/Germany.
(I have all papers from marriage etc. )
in june 2001 i meet a women near LA via internet-genealogy
search, they also search about here family Christian-Heinrich Roggensack.
The last name i found, was Isaac Roggensack 1635. I now,
that many Roggensacks life in the same Town, in Mecklen-
burg / Vorpommern near wismar and Schwerin. Then the leave
to Kiel. Many of the Roggensack worked as farmers and fisher. sincerly Günter Roggensack - Germany - Oldenburg