Complex sentence: His memory lives on forever with his film, with the company in which he built (one of the most successful baby brands in Australia), and in the hearts of all those who knew and loved him.
Split into simpler sentences: His memory lives on forever with his film, with the company in which he built (one of the most successful baby brands in Australia). Mainly he lives on in the hearts of all those who were fortunate to have known him, and in those who were lucky enough to have loved him.