2 Vermisste Offiziere der 11.SS-Pz.Gr.Div "Nordland"

I have been asked if someone can gice some light on the below two officers of the 11.SS-Pz.Gr.Div. "Nordland" . What is known is that Helmut Kerwel is just listed as part of the Division, unfortunately in which unit within the Division.

Peter Dethlefsen is listed as part of the SS-Pz.Gr.Rgt.24 "Dänemark"

Anyone who can contribute with info on the two Officers send me an email to georg668schwab(a)gmail.com or send a comment in this post.

SS-Untersturmführer

Peter Dethlefsen

Born: 22.11.1924 in Schleswig Holstein
Vermisst:, 3.1945 in Staargard
SS-Nr:
NSDAP-Nr:

Known Units:

SS-Pz.Gr.Rgt.24 "Dänemark"
14/15.Oju.Lg 12.44
15. KJL, J.Sch. Klagenfurt 9.44
  

SS-Untersturmführer
Helmut Kerwel

Born: 11.7.1920 Gr. Lauth / Ostpreussen
Vermisst: 2.1945 Plattensee
SS-Nr: 
NSDAP-Nr:

Known Units:
11.SS-Pz.Gr.Div. Nordland

14. KJL, J.Sch Tölz
SS-Nachr.Abt. 7 
SS-Inf.Rgt "Nordland"

SS-Nachr.Abt.SS-VT

//Georg