| Father | Male Sylvester Joseph Marwick |
| Born | 13 Apr 1901 | York, Western Australia  |
| Died | 17 Oct 1982 | |
| Buried | ||
| Married | Mar 1927 | |
| Father | William Cyril Marwick | F412 Group Sheet | |
| Mother | Anna Matilda Prunster | F412 Group Sheet | |
| Mother | Female Annie Elizabeth Sander |
| Born | 23 Mar 1900 | |
| Died | 31 Oct 1997 | York, Western Australia |
| Buried | ||
| Father | ||
| Mother | ||
| Child 1 | Male Milton William Marwick |
| Born | 31 Dec 1927 | York, Western Australia |
| Died | 4 Dec 2015 | York, Western Australia |
| Buried | York, Western Australia |
|
| Spouse | Thirza Irene Kelly | F618 | |
| Married | ||
| Child 2 | Male Patrick Sylvester Marwick |
| Born | 1929 | |
| Died | 2000 | |
| Buried | ||
| Spouse | Laurel June Negus | F338 | |
| Married | ||
| Child 5 | Female Therese Ann Marwick |
| Born | 16 Dec 1937 | York, Western Australia |
| Died | 9 Feb 1994 | York, Western Australia |
| Buried | York Cemetery |
|
| Spouse | Henry Stephen Gair | F380 | |
| Married | ||
