26. Tommy Walker desperately wants to be a father but learns that he can not father children. Of course, in this time of trouble, Tommy turns to his family for help. Which family member is actually the father of Tommy's child?
From Quiz "Brothers and Sisters"
Answer:
Kevin
Though Justin volunteers to father the child, Tommy (Balthazar Getty) is mad at him for his persistent drug use. Tommy, instead, asks Kevin (Matthew Rhys)to be the father of his child. Kevin, however, is insulted that Tommy asks him (assuming that Tommy thinks that Kevin, being gay, will never have children of his own) and refuses. In the end both brothers agree to donate sperm for the cause, and it is mixed together so that, unless a blood test is done, no one will ever know who is the true father of Tommy and Julia's baby. However, in season three Elizabeth becomes ill and needs a liver transplant and a DNA test must be done in order to determine her biological father. The results show that Kevin is the father. Saul (Rob Rifkin) was never in the running to begin with.