Vreemde Battle Group was one of the three major divisions of the 7th Daerlan Brigade and named after its commander. The other two divisions were the Morteisen and Sievers battle groups.
Trivia
"Vreemde" means either "weird" or "foreign" - (strange/stranger) in Dutch depending on the context, it would be best described as a word to describe an unfamiliar situation, person, or location, etc.