 Leendert Hasenbosch was likely born in The Hague, Holland in 1695.Around the year 1709 his father, a widower, moved himself and his three daughters to Batavia in the Dutch East Indies (modern Indonesia) while Leendert stayed in Holland.On 17 January 1714, Hasenbosch became a soldier of the VOC and boarded the flute-ship in Enkhuizen bound for Batavia where he served for about a year.