Some info on Agnes jnr - unfortunately Victorian BMD site is down just at present so relying on other sources.
Marriage, 1883, reg Victoria #1014
Agnes PATERSON, William AITKEN
Death: 1921 #6130
Agnes AITKEN, 67,
Death Place: Hotham, Victoria
Father's name: Wm Pattison
Mother's name: Agnes Heard (sic)
PROV has digitised papers of administration of her estate as she died intestate.
prov.vic.gov.au/index_search?searchid=54
Agnes AITKEN, married woman, died 10 April 1921, residence: 64 Alfred St, North Melbourne. Information given by William AITKEN (residing 64 Alfred St) states that she owned two houses, the one she was living in, another in Kensington and two blockes of land. Her relations and next of kin are named as William AITKEN (husband) and children: Viola AITKEN and Bertie AITKEN, Metropolitan Fire Station, Hoddle ST, Abbotsford Viola and William are resident at 64 Alfred St.
She also left a "testamentary document" - a will which was not signed, so not valid - leaving the houses and land to her daughter Viola May Pearl AITKEN.
Judith