dutch trawler BEP 151 tx sunk circa 22/04/1940 off TERSCHELLING

does anyone know :

- the cause of her sinking
- the eventual casualties
- the name of her Skipper
and about the ship :
- former names
- year of building and shipyard
- owner

norwegian BRAVORE 1458/16 sunk on 22/04/1940 S GULL BUOY on aerial mine laid by 9th F.D.

does anybody could confirm if this vessel was built by swedish shipyard KOCKUMS

british ROMANBY 4887/27 sunk on the same day along jetty at NARVIK does anyone know the name of her Captain

many thanks and best regards

JEAN MICHEL