Emma Sofia Nyberg 8 Jan 1838 Helsinki - 4 Apr 1875 Helsinki (1838–1875) Parents Claes Henrik Nyberg noble Ottiliaana Anna of Fieandt Children Ilmari Krohn Kaarle Krohn Siblings Frans Edvard Nyberg Otto Nyberg Claes Fredrik Nyberg Alfred Reinhold Nyberg Robert Carl August Nyberg Partners Julius Krohn