Complex sentence: In 2008, Diane returns for the funeral of her father Frank (Mike Reid), and at the end of June 2012 for the wedding of her sister, Janine (Charlie Brooks).
Split into simpler sentences: In 2008, Diane returns for the funeral of her father Frank (Mike Reid). The character returned once more at the end of June 2012 for the wedding of her sister, Janine (Charlie Brooks).