The first three are listed in the rafcommands POW list as being from 59 Squadron (Coastal Command) flying Hudsons.
http://www.rafcommands.com/Air%20For...s%20Index.html
Someone with the Coastal Command Losses Volume 1 should be able to help you. If not post a message on their boards.:
http://www.rafcommands.com/cgi-bin/d...conf=DCConfID1
There is no mention of a Bjoneby in the aforementioned POW list