Robert Bruce Van Valkenburgh
He succeeded Robert H. Pruyn (with US legation secretary Anton L.C. Portman serving as interim minister) in 1866. The following year, he signed a temporary Treaty of Friendship between Japan and the Kingdom of Hawai'i on behalf of the kingdom.
In 1869, he was succeeded as Resident Minister by Charles DeLong.
- Ishin Shiryô Kôyô 維新史料綱要, vol. 6 (1937), p516.; vol. 10 (1937), 224.