Famous sibling rivalries

John Harbaugh, left, and Jim Harbaugh became the first siblings to face each other as coaches in a major sports match-up on Super Bowl Sunday in 2013. Older brother John Harbaugh's Baltimore Ravens won over the San Francisco 49ers. <!-- --><!-- -->
</br></br>
Here's a look at some of the most dramatic, best-known sibling rivalries -- real and fictional<!-- -->:</br>

John Harbaugh, left, and Jim Harbaugh became the first siblings to face each other as coaches in a major sports match-up on Super Bowl Sunday in 2013. Older brother John Harbaugh's Baltimore Ravens won over the San Francisco 49ers.

Here's a look at some of the most dramatic, best-known sibling rivalries -- real and fictional: