_Arunchalam PONNAMBALAM _
| (1814 - 1887)
_Ponnambalam RAMANATHAN _______|
| (1851 - 1930) |
| |_Sellachy COOMARASWAMY __+
|
|
|--daughter RAMANATHAN
|
| _E NANNITHAMBY __________+
| |
|_Sellachchi Ammal NANNITHAMBY _|
|
|_________________________