An aunt and her niece.
Shirley Blomfield (nee Carrucan) is the daughter of John Alyousius (Jack) Carrucan, born in Kew, Melbourne, in 1906. Frances James is the daughter of Shirley's sister Aileen, and hence is Shirley's niece. They are both of the Peter Carrucan line. Shirley is the great grand daughter of Peter Carrucan and Hannah Woods while Frances is their great great grand daughter.