5th Line Battalion Kings German Legion
The light company of this Battalion defended the stables of the farm house of La Haye Sainte.
The Rest of the Battalion defended the ridge line, until they were ordered to defend Major Baring and his men retreating from La Haye Sainte. They advanced in line, were attacked by French Cuirassiers and lost their colors. Many men from this Battalion lost their lives, including their Brigade commander Colonel von Ompteda.
In my opinion this site is the best source of uniform reference for the 100 days (Waterloo) campaign: