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