▁ 1 8 5 5 ▁he ▁married ▁Caroline ▁Soph ie ▁Ernst ine ▁K j ersch ow . ▁Their ▁son ▁was ▁the ▁later ▁Norwegian ▁Prime ▁Minister ▁Christian ▁Mich elsen . ▁Christian ▁Mich elsen ▁was ▁named ▁after ▁Jacob ' s ▁father - in - law , ▁bishop ▁P eder ▁Christian ▁H ers leb ▁K j ersch ow . ▁ ▁Mich elsen ▁worked ▁himself ▁up ▁from ▁the ▁mod est ▁social ▁background . ▁A ▁business man , ▁he ▁was ▁awarded ▁burg h ership ▁in ▁ 1 8 4 7 . ▁He ▁was ▁a ▁gra in ▁tr ader , ▁wine ▁gro cer er ▁and ▁cons ul , ▁stock ▁exchange ▁commission er ▁from ▁ 1 8 7 0 ▁to ▁ 1 9 0 2 ▁and ▁bank ▁director ▁from ▁ 1 8 7 0 . ▁He ▁served ▁as ▁mayor ▁of ▁Ber gen ▁from ▁ 1 8 6 5 ▁to ▁ 1 8 6 6 ▁and ▁ 1 8 7 6 ▁to ▁ 1 8 7 8 . ▁He ▁was ▁elected ▁from ▁his ▁city ▁to ▁the ▁Norwegian ▁Parliament ▁in ▁ 1 8 6 8 ▁and ▁ 1 8 7 1 . ▁ ▁He ▁died ▁in ▁ 1 9 0 2 , ▁three ▁years ▁before ▁his ▁son ▁became ▁Prime ▁Minister . ▁ ▁References ▁ ▁Category : 1 8 2 1 ▁birth s ▁Category : 1 9 0 2 ▁death s ▁Category : M embers ▁of ▁the ▁St ort ing ▁Category : May ors ▁of ▁Ber gen ▁Category : N or weg ian ▁business people <0x0A> </s> ▁Bro a ▁de ▁mel ▁is ▁a