Photograph of a German officer with his family from World War I, 1910 model, known as "Feldgrau".

Uniform Description:
Colour:
Field grey (Feldgrau) was the standard colour of the uniform of the German Imperial Army during World War I.
Tutorial Jacket:
Most likely a 1910 model tunic of field grey wool with red piping and buttons.
Headgear:
A cap with cockades, typical of the period, although the "Pickelhaube" helmet was often used early in the war.
Awards and insignia:
Our shirt collar (Litzen), shoulder straps indicating rank and regiment, and a ribbon on the chest are present.
Belt:
Black leather belt with buckle.

Aiguillette is a cord with an acorn attached to the right shoulder of a soldier of the Uniform.
Meaning:
Position:
This aiguillette (shoulder cord) indicates that the soldiers held the position of adjutant, orderly or officer on our behalf in the German army during the First World War.
Rank:
Its presence, especially in combination with the officer's dagger or sabres and the general appearance of the uniform, indicates belonging to the officer corps.