Robert 3 Hawkless (Thomas Hawkless 2, John Hawkley 1) was born on August 21, 1848 in Merri River, Vic and died in 1894 in Gladesville, NSW. He is buried next to his mother Elizabeth, nee Sloan, and his wife Marian at the Field of Mars, Ryde. His grave also contains the remains of his daughter Rebecca who died at aged 20.
He married Marian E. Drummond in 1874 in Ryde, NSW. Marian was born in 1855 and died in 1913.
| Name | Date of Birth | Date of Death | Comments |
| Ethel 4 | 1876 | 1969 | married Frederick Hewett and is buried at Wentworth Falls, NSW |
| Marian Elizabeth (Sis) | 1877 | 1961 | single, buried at Wentworth Falls, NSW |
| Robert Thomas | 1878 | 1962 | married Lilian Barnes |
| William | 1880 | 1880 | died in infancy, buried at St. Anne's, Ryde NSW |
| Charles | 1881 | thought to have died of a spider bite in Newcastle (to be confirmed) | |
| John J (Archibald) | 1882 | married [1] Minnie Bowen 1910 [2] Jane Jackson 1930 | |
| Violet Isabel | 1885 | 1974 | married Eddie Swann, lived in Fiji and in later years, New Zealand |
| Theresa Pearl | 1886 | 1953 | has a son Wallace born in 1917 |
| Rebecca May
|
1888 | 1908 | died at 20 years of age - buried with her father Robert at Field of Mars Cemetery, Ryde (See memorial card below). |
| Russell (Tuss) | 1890 | 1974 | m. Minnie Thomson |
| Oswald | 1892 | 1912 | buried at Field of Mars, Ryde |
| Stuart | 1894 | 1913 | buried at Field of Mars, Ryde |