Complex sentence: Platt lives in the Los Angeles area with his wife and their five children, including actors Ben Platt, of "Pitch Perfect" and "The Book of Mormon", and Jonah Platt, who starred as Fiyero in "Wicked" on Broadway.
Split into simpler sentences: Platt lives in the Los Angeles area with his wife and their five children, one of whom is Ben Platt of "Pitch Perfect" and "The Book of Mormon" fame. His son, actor Jonah Platt, previously starred as Fiyero in "Wicked" on Broadway.