Hi Jane
This might be your Robert - the dates certainly fit. Unfortunately this record is not very forthcoming with other info.
Also found possible children for Robert with an Emily GARBETT. Can't actually find marriage or her death though.
Hope this is useful - all speculation of course but maybe something will ring a bell with you.
Good luck, let me know if there are any other leads I can look into for you.
Warm Regards
Cherilyn
Digger - Death Index. Victoria 1921-1985
Surname: BYE
Given Names: Robert
Father: Unknown
Mother: Unknown UNKNOWN
Death Place: BENDIGO
Age: 76
Year: 1936
Reg Number: 16950
Event: D
This *may* be his son. There are only two with fathers named Robert and the other is too late.
Digger - Death Index. Victoria 1921-1985
Surname: BYE
Given Names: Ernest Murray
Father: Robert
Mother: Emily GARBETT
Death Place: PARK
Age: 71
Year: 1961
Reg Number: 658
Event: D
Digger - Pioneer Index. Victoria 1836-1888
Surname: BYE
Given Names: Gladys May
Event: B
Spouse Surname/Father: Robert
Spouse Gvn Names/Mother: Emily GARBETS
Birth Place: YELT
Year: 1886
Reg Number: 23227
Digger - Death Index. Victoria 1921-1985
Surname: WATTS
Given Names: Gladys May
Father: Bye Robt
Mother: Emily CORBETT
Death Place: MILDURA
Age: 58
Year: 1945
Reg Number: 18901
Event: D
Surname: RODGER
Given Names: Gertrude Emily
Father: Bye Robert
Mother: Emily GARBUTT
Death Place: MURR
Age: 73
Year: 1956
Reg Number: 12736
Event: D
Surname: BYE
Given Names: Violet May
Event: B
Sex: F
Spouse Surname/Father: Robt
Spouse Gvn Names/Mother: Emily GARBETT
Birth Place: MILDURA
Year: 1891
Reg. Number: 25686
Surname: CARTER
Given Names: Violet May
Father: Bye Robert
Mother: Emily TALBOT
Death Place: MILD
Age: 67
Year: 1959
Reg Number: 21299
Event: D
Digger - Federation Index. Victoria 1889-1901
Surname: BYE
Given Names: Myrtle Joyce
Event: B
Spouse Surname/Father: Robert
Spouse Gvn Names/Mother: Emily GARBETT
Birth Place: MILDURA
Year: 1893
Reg. Number: 33708
Surname: BUCHECKER
Given Names: Myrtle Joyce
Father: Bye Robert
Mother: Emily TARBETT
Death Place: MILD
Age: 82
Year: 1977
Reg Number: 6546
Event: D
Digger - Federation Index. Victoria 1889-1901
Surname: BYE
Given Names: Arth Walt
Event: B
Sex: M
Spouse Surname/Father: Unknown
Spouse Gvn Names/Mother: Emily GARBETT
Birth Place: MILDURA
Year: 1901
Reg. Number: 13019R
Surname: BYE
Given Names: Daisy May
Event: B
Sex: F
Spouse Surname/Father: Robt
Spouse Gvn Names/Mother: Emily GARBETT
Birth Place: MILDURA
Year: 1891
Reg. Number: 25685
Digger - Edwardian Index. Victoria 1902-1913
Surname: BYE
Given Names: Daisy May
Event: M
Spouse Surname/Father: HARRIS
Spouse Gvn Names/Mother: Jos Hicks
Birth Place: VIC
Year: 1909
Reg. Number: 2362
Surname: BYE
Given Names: Gertrude Emily
Event: M
Spouse Surname/Father: RODGER
Spouse Gvn Names/Mother: Hy
Birth Place: ADELAIDE
Year: 1905
Reg. Number: 6577
Surname: BYE
Given Names: Gladys Mary
Event: M
Spouse Surname/Father: WATTS
Spouse Gvn Names/Mother: Wm
Birth Place: MILDURA
Year: 1912
Reg. Number: 9095
Surname: BYE
Given Names: Violey May
Event: M
Spouse Surname/Father: CARTER
Spouse Gvn Names/Mother: Ivan Chas
Birth Place: VICT
Year: 1911
Reg. Number: 8736
Digger - Great War Index. Victoria 1914-1920
Surname: BYE
Given Names: Myrtle Joyce
Event: M
Spouse Surname/Father: BUCHECKER
Spouse Gvn Names/Mother: Henry
Year: 1918
Reg. Number: 4714