| Name | Relationship with Sanmugam Perampalam | Civil | Canon |
| Akila | Great-granddaughter | III | 3 |
| Alagappar | Grandnephew | IV | 3 |
| | Great-grandnephew | V | 4 |
| Alaggapar, Karthigesu | Great-grandnephew | V | 4 |
| | 2nd great-grandnephew | VI | 5 |
| Amala | Great-granddaughter | III | 3 |
| Ambalavanar | Brother | II | 1 |
| Amutha | Great-granddaughter | III | 3 |
| Arjuna | Great-grandson | III | 3 |
| Arunasalam, Santhirarajan | Husband of the granddaughter | | |
| Arunthavan | Niece | III | 2 |
| Bahavathy | Daughter | I | 1 |
| Balachandran | Grandson | II | 2 |
| Balakrishnan | Husband of the granddaughter | | |
| Balakrishnan, Abirami | Great-granddaughter | III | 3 |
| Bawani | Granddaughter | II | 2 |
| Bhaskaran | Husband of the great-granddaughter | | |
| Chandramathy | Granddaughter | II | 2 |
| Chellah | Grandnephew | IV | 3 |
| | Great-grandnephew | V | 4 |
| Chellam | Wife of the nephew | | |
| Gajendra | Great-grandson | III | 3 |
| Ganesamoorthy | Great-grandnephew | V | 4 |
| Gangatharan, Brintha | Wife of the grandson | | |
| Gnanambihai | Grandniece | IV | 3 |
| | Wife of the grandnephew | | |
| Haripalan, Darshini | Great-grandniece | V | 4 |
| Haripalan, Murali | Great-grandnephew | V | 4 |
| Jeyadran, Rajendran | Husband of the granddaughter | | |
| Jeyanthi | Granddaughter | II | 2 |
| K, Guruge | Husband of the granddaughter | | |
| Kailathai | Sister | II | 1 |
| Kalai | Granddaughter | II | 2 |
| Kalki | Grandnephew | IV | 3 |
| Kamalthevi | Grandniece | IV | 3 |
| Kanagasabathy, Vijayakumar | Husband of the granddaughter | | |
| Kanavathipillai | Grandnephew | IV | 3 |
| Kanavathiyar | Grandfather | II | 2 |
| Kanavathiyar | Brother | II | 1 |
| Kandiah | Grandnephew | IV | 3 |
| Kandiah | Grandnephew | IV | 3 |
| | Husband of the grandniece | | |
| | Husband of the great-grandniece | | |
| Kandiah, Haripalan | Husband of the grandniece | | |
| Karthegesu | Brother | II | 1 |
| Karthigesu, Abinaya | Great-granddaughter | III | 3 |
| Karthigesu, Prasanth | Great-grandson | III | 3 |
| Karthigesu, Puspanathan | Husband of the granddaughter | | |
| Karthigesu, Ruthrainee | 2nd great-grandniece | VI | 5 |
| | 3rd great-grandniece | VII | 6 |