classify finnish sisters singers

[Dasr]

http://robin.calmegard.se/upload/liliochsussie.jpg
http://www.tacksomfan.se/wp-content/uploads/lili.jpg
http://poplight.zitiz.se/files/imagecache/default-large/files/article/lili_och_sussie.jpg
http://www.jkkonsult.se/nostalgi/svenskt/LiliSussie_OKEJnr25-87.jpg
http://imgs.sthlmsfinest.com/imageGalleryImages/scaled/338924_729_488_1.jpg

[aherne]

Uralic both of them, with Native Scandinavian influences perhaps.