I have a wargames booklet that covers the Knights of the Sword (Livonian Brothers of the Sword). If I remember to I will dig it out tonight and see what it covers in regards to your questions. The booklet focuses on the Battle of Saule but I believe it has some mention of forces and perhaps covers dress as well.
As for their badge, this is what I have always thought and I believe is confirmed by that gaming booklet.
Ah, found where one can buy the booklet:
- This reply was modified 3 years, 7 months ago by Darryl Smith.
Buckeye Six Actual