The leader of an anti-gay activist wrote a piece for Christian site WorldNetDaily Friday, claiming HBO's "Game of Thrones" is proof that LGBT rights will lead to incest rights.

Pennsylvania’s openly gay Rep. Brian Sims took to Facebook Friday afternoon to respond to the state’s Republican governor, Tom Corbett, who made waves this week for equating marriage equality to incest.

Philip Hammond, the United Kingdom’s Conservative Secretary of Defense, denies allegations that he equated same-sex marriage to incest.

A lawyer for a Columbia University professor accused of incestuous sexual relationships with his adult daughter has pointed to same-sex relationships in attempting to argue that sex between closely-related consenting adults should not be criminalized.