[6][5][2] As the issue of a long line of Chinese officers, Han bore the hereditary title of Sia from birth.

[2] On March 8, 1876, Han married the heiress Kan Oe Nio (1850—1910), who was six years his senior, at the bride's hometown of Batavia, capital of the Dutch East Indies.

[4][3] Han's wife was a daughter of one of the colony's wealthiest tycoons, Kan Keng Tjong (1797—1871), and Jo Heng Nio (1827—1900), as well as a sister-in-law of Lie Tjoe Hong, the 3rd Majoor der Chinezen of Batavia.

[1][3] There, Luitenant Han Oen Lee introduced a new variety of rice from Fujian in southern China, which had larger grains and produced a more plentiful harvest.

[8] Luitenant Han Oen Lee served in his government position until his untimely death due to a major fire in Batavia's Chinese quarter, Glodok, in 1893.