Biographical data




(Source: Flora Malesiana ser. 1, 1: Cyclopaedia of collectors)

(Source: Flora Malesiana ser. 1, 8: Cyclopaedia of collectors, Supplement II)


Born: 1740, Rotterdam, Netherlands. Died: 1817, Batavia, Java.



Collected material of Styrax benzoin in Sumatra West Coast Residency in 1778, and sent it to J.C. Radermacher (see there) (cf. Verh. Bat. Gen. K. & W. 3, 1781, p. 45, footnote 6).

Must have been Jo(h)annes Siberg (), who sailed to Java as gunner’s mate in ‘’t Hof Duna’, Zealand Chamber of the East India Company, in 1758. At his arrival he resigned and had a long career with the Company. As a Senior Merchant (1776) he was sent to Padang, Sumatra West Coast. In 1780 he returned to Java, held several high offices, finally as Governor General (1802-05).

He was hot-tempered, ambitious, and unreliable. His marriage to a daughter of Governor-General Alting might account for his reaching the top. Aftei his resignation he stayed at Batavia and still had a considerable influence for many years.


biographical data:

F.W. Stapel: ‘Gouverneurs-Generaal van Nederlandsch-Indië’ (Den Haag 1941, no xxxiii, w. portr.).