I think this might be Amelia C HILLE's birth NSW (not uncommon to turn christian names around.) Also found on trove mention of a possible brother Walter Hille marriage 1900 in Western Australian and it states he is the second eldest son of Christoper Hille from Tumberumba NSW, that fits with where Amelia and frederick were.
Death 11545/1925HILLECHRISTOPHER(-HILLE)82YRS MERRICKVILMARRICKVILLE Death 8653/1917HILLEJOHANNA CJOHANN FEVA MTUMBARUMBA
Albury Banner and Wodonga Express (NSW : 1896 - 1939)(about) Previous issue Friday 4 May 1917 Next issue Mrs. Johanna Caroline Hiile, 67 years of age, -wife of Mr. Chris toph Hille, of Wolseley Park, died on Friday afternoon last. The deceased lady had been under a doctor's care for some time.