Ernst Sohn from Koivisto founded companies Rederi Sohn Ab, Oy Finska Insjö Ab, Rederi Ab Notung. The steamers were NOTUNG, ELSA S, ELSA S (2), ONTO, ULEÅ -> INGER, BALMUNG, FRITZ S, ERNST S
BALMUNG
ELSA S
ELSA S (!)

-> ELSA

ERNST S
FRITZ S
NOTUNG
ONTO
ULEÅ
ULEÅ

-> ULEÅ -> INGER