Dating back to the early 19th century, Jalan Kubor Cemetery is the oldest Muslim burial ground in Singapore. The grounds began as three distinct plots serving Malays, Indian Muslim Singaporeans, and the descendants of sultans separately, but as the cemeteries became more crowded, they merged, forming the collective grounds now known as Jalan Kubor. The sultans’ burial ground was reserved for members of the royal Johor-Riau family, whose palace was located close by in the Kampong Gelam quarter of the city. Descendants of Sultan Hussein (of Johor) and Sultan Ali…