That information came from The Age, Death Notices 7 Mar 1950:
SHEPHERD.--On March 6, at her residence, 4 Queensville Street, West Footscray, Ellen Isabella, the dearly beloved wife of Mervyn Percy Shepherd, and loved mother of Arthur, Mervyn, Edna, Albert and Allen, aged 64 years. R.I.P.
SHEPHERD.--On March 6, at 4 Queensville Street, West Footscray, Nell, beloved mother of Arthur, loved mother-in-law of Norma, loved nana of Graham and Philip. Sleeping peacefully.
(Kevin S.)