He was the only child of Johan Collett ( 1800 - 1877 ) and Marie Frederikke Thomason ( 1810 - 1839 ) .
He was the grandson of Norwegian statesman , Jonas Collett .
grandson was the only grandson of Johan Collett ( 1800 - 1877 ) and Marie Frederikke Thomason ( 1810 - 1839 ) .
He was the grandson of Norwegian statesman , Jonas Collett .