Classify these brothers (Dutch musicians)

[The Blade]

Robert Westerholt
http://pu.i.wp.pl/k,MzE2MzY3MzEsNDU0MzQxNTU=,f,dsc0007.jpg
http://img06.deviantart.net/678b/i/2008/120/b/6/robert_westerholt_2_by_humanconstellation.jpg
https://www.baldtruthtalk.com/attachment.php?attachmentid=19408&d=1360953737
https://s-media-cache-ak0.pinimg.com/736x/1c/8a/4d/1c8a4df67a46434ae5daa00afea0932b.jpg
Martijn Westerholt
http://www.metal-archives.com/images/2/3/5/3/23538_artist.jpg?1222
http://i.skyrock.net/9431/87859431/pics/3210329435_1_10_ZUijJMGT.jpg
http://metalrecusants.com/wp-content/uploads/2016/08/Delain-Martijn-1024x683.jpg
https://s-media-cache-ak0.pinimg.com/736x/bf/cd/0a/bfcd0a1a9a6e100677f37faeb42a9926.jpg

[Davy Jones's Locker]

Nordid/Tronder.

[hedonist]

nordid/tronder for martijin

maybe kelt-nordic for Robert

[The Blade]

bumping

[MysteriousWays]

#1 is KN I think towards Halstatt.

#2 is Tronder, but gives me a sligth central euro verb. Not sure why though.

[The Blade]

#2 is Tronder, but gives me a sligth central euro verb. Not sure why though.
Maybe because of Tronders often having a strong Corded component which is pretty pan-European (like Corded/CM blends themselves).

[Odin]

1. Hallstatt-Nordid.
2. Trønder.