Their relationship began in at the Plaza, Northcote during the 1950s, Burgess (1920-2005) meeting regular Ellen (1915-1999). (Source: Rosie Burgess’ obituary)
Joff Ellen & Rosie Burgess - “In Melbourne Tonight” 1996. The two reflect on their relationship in this short clip. Though there is no mention of the Plaza, knowing these two met at the Plaza and maintained their relationship for a long span of time is enough.