Translation Request Military Information Regarding Wilh. Mertlich

ShawnaMertlichAnderson

Please help translate the following. Thank you! Shawna Anderson

sylviaelchinger1

Infantry Regiment No. 29, Trier [city].

Res. Wilh. Mertlich (5th Company) - + [means died] as a result of illness in sick bay.

Montigny [city in France] 21 December 1914

[Not sure what Res. stands for...]

Robert Seal_1

"Res." may stand for: Reservist.

ShawnaMertlichAnderson

Thank you so much!