_Arunchalam PONNAMBALAM _ | (1814 - 1887) _Ponnambalam ARUNACHALAM _| | (1853 - 1924) m 1883 | | |_Sellachy COOMARASWAMY __+ | | |--Arunachalam RAMANATHAN | | _ NAMASIVAYAM ___________ | | |_Swarnan NAMASIVAYAM _____| m 1883 | |_ NANNITHAMBY ___________+