The Soldbücher of Friedrich Rupp and Siegfried von Matuschka
 

Dear All,
Maybe this timeI'll have more luck than before...
Should any of you have access to Friedrich Rupp's and Siegfried von Matuschka's personal documents (their Soldbücher or maybe their personal files), I would like to ask you a few specific questions, please.
I know they were not married, but were they perhaps engaged?
What were their religious denominations?
What information is available about their appearance (height, hair colour, eye colour, maybe distinguishing marks, if they had any)? As for Friedrich Rupp, I suppose he had brown hair and eyes (judging by his photos), but I'm not really sure about Siegfried von Matuschka. (Black and white photos can be quite misleading, but in the Soldbuch it was written.)
Thank you very much in advance.