Looking for Spiteri S from Malta Ausrtailia

Looking for family from Malta Spiteri/Vassallo that have moved from Malta to Canada/Astrailia. Starting with Grand Father Edward Spiteri/ Concetta Fittani. and Anthony Vassallo/ Beatrice Vassallo
This is where i started from for the porpose of knowing if the other names i have for their parents will ring true. then I will know i'm on the right track.