A Frenchman, working in England c.1793. Exhibited at the R.A. 1798-1800 from London addresses. May have worked in America. Painted miniatures en grisaille on a dark background, many in profile, besides miniatures in water-colour and enamel, and engraved stones. His signature was H.J. (the J passing through the cross bar of the H), H.J., and H. de Janvry. Sometimes he added a date. Examples of his work may be seen at the V&A Museum and the N.P.G., London. A portrait of Mrs. Fitzherbert (wife of George IV) signed in monogram and dated ‘1796’ is at the V&A Museum.
