Former Vice President Dick Cheney's daughter Mary has tied the knot, The Daily Caller reports. They write, "Mary Cheney, the openly gay daughter of former Vice President Dick Cheney, has married her long-time partner Heather Poe. Cheney spokeswoman Kara Ahern confirmed to site that the couple married Friday morning in Washington, D.C. In a statement provided to The Daily Caller, both the former vice president and his wife, Lynne, said they are "delighted" the couple could have their "relationship recognized." Poe and Mary Cheney have two children: Cheney gave birth to a son in 2007, and a daughter in 2009. They live together in Virginia." More from The Daily Caller.