"Marriage is one of the "basic civil rights of man," fundamental to our very existence and survival." -- Skinner v. Oklahoma, 316 U.S. 535, 541 (1942). See also Maynard v. Hill, 125 U.S. 190 (1888).
"Under our Constitution, the freedom to marry, or not marry, a person...resides with the individual and cannot be infringed by the State." -- Loving v. Virginia, 388 U.S. 1 (1967)