Background
He was a son of Ole Gjerdrum, and brother of Jørgen and Otto Gjerdrum.
He was a son of Ole Gjerdrum, and brother of Jørgen and Otto Gjerdrum.
He was the father of Albert Gjerdrum. He finished his secondary education in 1840 and took the candidate.jur. degree in 1844. He was an attorney from 1861.
From 1854 to 1866, he was the agent-general in Norway for the Swedish insurance company Skandia.
When he retired in July 1897 because of declining health, he was almost 76 years old. He also served as a chamberlain for Carl XV of Sweden from 1860 to 1872.
He is known for writing a diary from the coronation of Carl XV in 1860.