Farrow sure does look like Sinatra - Farrow the Mother really should keep the sling and arrows to herself.
Mia, Ronan and Sinatra all have similar features. Ronan looks as much like Mia as he does Sinatra, and some of her features resemble Frank’s. The whole “Sinatra is Ronan’s secret father” rumor began right as Ronan was beginning to host his own show on MSNBC. Mia and Ronan cooked the whole story up just to get publicity for Ronan’s show.