 Melchior Leydekker was a Dutch doctor of medicine and theology who was placed in Batavia (1675), as he was at that time the son-in-law of the Governor General Abraham van Riebeeck.This new area, called Tugu, was developed as a neighborhood for the freed slaves known as Mardijker people.This area, now called Kampung Tugu, is the oldest Christian neighborhood in the west of Indonesia.