Perhaps the following info will fit somehow in you family puzzle:
Search advertise in a newspaper printed 18th of May 1825 in Schwerin
(Mecklenburg)
23rd March 1825, SEARCH FOR:
Friedrich Ihlenfeldt, born in Neustrelitz, illegitime child of Magdalena Henker
( who died 1794 in Neustrelitz )
did fight in the prussian army at Bergen op Zoom. Since then 30 years are gone
and no sign of life was seen of him.