Joe.
The clip concerning the casuality list of WWI says that
Gustav Maßheimer
* 14 January 1887 in Reichenau [=Richnau], Kreis Briesen
was seriously wounded
and according to some private information prisoner of war
on 1 October 1914.
My latest finding:
Ottilie MASHEIMER
* 1880 (3 yrs and 3 mths old) in Dorf Richnau
living in Dorf Richnau
Father: Einwohner Carl MASHEIMER
Mother: Eva née STILLER, both residents of Dorf Richnau
+ 9 October 1883 at 3 pm in Dorf Richnau
Informant: her father
Source: Civil Registry Office Richnau in Wangerin, Kreis Briesen, No. 66/1883
Willi