Jan Cock Blomhoff

Jan Cock Blomhoff, director ("opperhoofd") of Dejima, the Dutch trading colony in the harbour of Nagasaki, Japan, with his little son Johannes in the arms of Petronella Muns, a Dutch nurse-maid (anonymous Japanese artist). Jan Cock Blomhoff and his red-haired wife Titia Bergsma (seated), their infant son Jantje, the wetnurse Petronella Muns(standing), the Indonesian maid Marathy, and a Javanese servant boy (behind sofa). Japanese print drawn by Kawahara Keiga, circa 1817.

Jan Cock Blomhoff (Amsterdam, 5 August 1779 – Amersfoort, 15 August 1853) was director ("opperhoofd") of Dejima, the Dutch trading colony in the harbour of Nagasaki, Japan, 1817–1824,[1] succeeding Hendrik Doeff.

During his first stay on the island (1809–1813) he had an affair with a Japanese woman and the couple had a child, who died in 1813.

When he arrived in Dejima for the second time in August 1817 he was accompanied by his wife Titia Bergsma, whom he had married in 1815; his son Johannes; Petronella Muns, a Dutch wetnurse; and an Indonesian maid. The ladies and the little boy were not allowed to stay. In the short time they stayed there, till December 1817, they were often drawn by artists, who had never seen other than Japanese women, and 500 different prints widely circulated throughout the country.

Blomhoff is commemorated in the specific name of an Asiatic pit viper, Gloydius blomhoffii.[2]

In Japan he is well known for his support for making the first English dictionary for Japanese, which is Angeriagorintaisei.

Blomhoff was succeeded as director of Dejima by Johan Willem de Stürler.

## See also

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* Dutch East India Company
* VOC Opperhoofden in Japan

## Notes

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1. ^ Historiographical Institute. (1988). Historical documents relating to Japan in foreign countries, Vol. I, p. 65.
2. ^ Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. ("Blomhoff", p. 28).

## References

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* Effert, Rudy. (2008). Royal Cabinets and Auxiliary Branches. Leiden: Research School CNWS. ISBN 9789057891595; OCLC 244247206
* Historiographical Institute, the University of Tokyo (東京大学史料編纂所, Tokyo daigaku shiryō hensan-jo). (1963). Historical documents relating to Japan in foreign countries: an inventory of microfilm acquisitions in the library of the Historiographical Institute, the University of Tokyo. OCLC 450710
* Jolien C. Hemmes en Ennius H. Bergsma, Brieven uit Deshima, met het complete, originele verslag over de reis naar Japan van Jan Cock Blomhoff en Titia Bergsma met hun zoontje, plus 100 oude afbeeldingen, eerste druk 2017, tweede druk 2021, © JCH, ISBNnr: 9789090349473, NUR: 691, www.brievenuitdeshima.nl (Publication with the original manuscript about the trip with his wife and son written by the father of Titia, using her letters to her parents.)

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