article_snippet.sent: Frank Sinatra underwent a vasectomy so could not have fathered Ronan Farrow, according to Frank Sinatra youngest daughter, Tina Sinatra.
article_snippet.sent: Showbiz 411's Roger Friedman said that the 66-year-old laughed when Showbiz 411's Roger Friedman asked Mia Farrow's if Mia Farrow's son Ronan was Mia Farrow's brother.
article_snippet.sent: Frank Sinatra (left) underwent a vasectomy so could not have fathered Ronan Farrow, (right) according to his youngest daughter, Tina Sinatra .
article_snippet.sent: Mia Farrow's had previously admitted his youngest daughter, Tina Sinatra may be the father of Mia Farrow's Ronan (both pictured)
article_snippet.sent: In 2013, Mia Farrow's admitted that Frank Sinatra may be the father of whose son, instead of Woody Allen.
article_snippet.sent: Mia Farrow's later responded by tweeting: 'Listen, we're all *possibly* Frank Sinatra's son.'
article_snippet.sent: Woody Allen and Mia Farrow's walk as Mia carries Woody Allen and Mia Farrow son Satchel, who later changed his name to Ronan .
article_snippet.sent: Mia Farrow's has now suggested Frank Sinatra may be Ronan's father as they never 'really split up'.
article_snippet.sent: The Annie Hall director said Ronan, The Annie Hall director only biological child with Farrow, ‘looks a lot like Frank’ thanks to Frank blue eyes and similar facial features.
highlights_snippet.sent: Tina Sinatra, 66, laughed when he asked if Mia Farrow's son Ronan, 27,  was Mia Farrow's brother .
  
highlights_snippet.sent: In 2013, Mia Farrow's admitted that Frank Sinatra may be the father of whose son, instead of Woody Allen .