13 TV Siblings :
1. Jessica Tate and Mary Campbell, Soap
2. G.O.B, Michael, Buster. (Adopted: Lindsay, Annyong) - Arrested Development, Bluth siblings.
3. Sherlock and Mycroft Holmes, Sherlock
4. Steven and Adam Carrington, Dynasty (1980)
5. Adam, Hoss, Joseph Carthwright - Bonanza
6. Bobby and J.R. Ewing, Dallas
1. Jessica Tate and Mary Campbell, Soap
2. G.O.B, Michael, Buster. (Adopted: Lindsay, Annyong) - Arrested Development, Bluth siblings.
3. Sherlock and Mycroft Holmes, Sherlock
4. Steven and Adam Carrington, Dynasty (1980)
5. Adam, Hoss, Joseph Carthwright - Bonanza
6. Bobby and J.R. Ewing, Dallas