Farrow and Allen adopted three children together; their relationship ran from 1980-1992. They also has a child of their own, Ronan. So to say he had little part in the lives of Farrow and her children with Previn, is really, quite ludicrous.
After ending his relationship with Mia Farrow in 1992, Allen continued his relationship with Soon-Yi Previn. Though Allen never married Mia Farrow[112][123] and was not Previn's legal stepfather, the relationship between Allen and Previn has often been referred to as a stepfather involved romantically with his stepdaughter[124] because she was adopted and legally Farrow's daughter and Allen's son's sister.
Part of the reason they split was detailed in a Vanity Fair article by Allen. Farrow found nude photos of Soon-Yi in Allens possession whilst they were married. Allen describes this as 'lucky' because it provoked the split and allowed him to marry Soon-Yi
In a 2005 Vanity Fair interview,[121] Allen estimated that, despite the scandal's damage to his reputation, Farrow's discovery of Allen's attraction to Soon-Yi Previn by finding nude photographs of her was "just one of the fortuitous events, one of the great pieces of luck in my life
I think he's at best, a grubby old man with a penchant for young attractive woman and the financial means to buy them.