Gyllenberg, Sixten Oskar
| Birth Name | Gyllenberg, Sixten Oskar | 
| Gender | male | 
| Age at Death | 6 months, 10 days | 
Parents
| Relation to main person | Name | Birth date | Death date | Relation within this family (if not by birth) | 
|---|---|---|---|---|
| Father | Gyllenberg, Carl Axel | 1849-02-24 | 1897-04-12 | |
| Mother | Löfström, Gerda Paulina | 1853-11-02 | 1887-06-16 | |
| Sister | Gyllenberg, Sigrid Matilda Vilhelmina | 1877-03-18 | 1922-01-07 | |
| Brother | Gyllenberg, Anton Harald | 1878-12-13 | 1940 | |
| Brother | Gyllenberg, Ture Axel | 1882-05-26 | 1948 | |
| Gyllenberg, Sixten Oskar | 1887-04-07 | 1887-10-17 |