He was born in Odense, Denmark as the son of Honoré Bonnevie and his wife Boel Corneliusdatter.
Honoré had migrated to Norway from France and settled in Brevik in 1714, but then moved to Denmark in 1719.
Honoratus Bonnevie was educated as a pharmacist in Odense, then he studied medicine at the University of Copenhagen, graduating in 1749.
He retired as a physician in 1800, and lived in Mandal until the city fire of 1810, where he lost his house and belongings.
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