At four feet and five inches, grandmother Caroline Grills would be one of the last people to be suspected of serial murder but, sadly, she became known for her notorious cups of tea, cakes and biscuits. Born Caroline Mickelson around 1888 to parents George and Mary (nee Preiers), Caroline grew up in the Balmain area of Sydney. She went on to marry Richard William Grills and they had five sons and a daughter. Unfortunately, two of their boys would die young. Caroline 'Aunty Ca
