This rose is listed in the current (2005) Sangerhausen catalogue as follows:

Weddingen , Lambert 1916, HT, silvery pink, center dark pink, large, double, strong fragrance, medium-high

Compared to Modern Roses XI, Sangerhausen spells the name with one additional n.

Weddingen is today a small village near Goslar. However, the name is probably due to Otto von Weddingen, who was a submarine captain of the German Navy in WW I and downed a British cruiser in 1914.