Hi Ken
I found the details below and I think they are your people. I don't understand what some of the abbreviations on the death registration information mean, but other Rootschatters probably will.
The details for the funerals I found on the Trove Newspapers website.
Hope this helps
Noells
Surname: FERGUSON Given Names: Roderick
Date: 1861-11-05 Birth
Father: Angas FERGUSON Mother: Janet (not recorded)
Birth Place/Residence: Mount Gambier
District Code: Gre
Book: 23 Page: 441
Surname: FERGUSON Given Names: John
Date: 1860-01-10 Birth
Father: Angus FERGUSON Mother: Janet LINK
Birth Place/Residence: Port Gawler
District Code: PtG
Book: 18 Page: 481
Digger - South Australian Deaths Registrations 1842 to 1915
Surname: FERGUSON Given Names: Janet Date: 1906-07-16
Age: 71y Status: Widow Death
Relative: Angus FERGUSON (DH)
Residence: Yahl Death Place: Yahl District Code: Gre
Book: 319
Page: 80
Surname: FERGUSON Given Names: Angus Date: 1900-04-23
Age: 75y Death Status: N
Relative: (not recorded)
Residence: Yahl Paddock Death Place: Yahl Paddock
District Code: Gre
Book: 270
Page: 69
DEATH. Border Watch Newspaper (Mount Gambier, SA : 1861 - 1954Wednesday 25 April 1900
FERGUSON.-At Woodlands Station, Yahl Paddock, onthe 23rd April, 1900 Angus, the dearly beloved husband of Janet Ferguson, aged 76 years and three months
FUNERAL NOTICE.The Funeral of the late Mr. Angus Ferguson is appointed to leave his late residence, Yahl Paddock, on THURSDAY AFTERNOON at 1 o'clock p.m. for interment in the New Cemetery. Friends will kindly accept this intimation.
DEATHS. Border Watch Newspaper (Mount Gambier, SA : 1861 - 1954) (Saturday 11 August 1900)
FERGUSON.-At his mother's residence, Woodlands, Yahl Paddock, on August 7th, Alexander, dearly beloved husband of Margaret Ferguson, and eldest son of Mrs. Angus and the late Angus Ferguson, of Woodlands, Yahl Paddock. Aged 45 years.
