“Because of the many benefits of marriage, Missouri has traditionally recognized lawful marriages performed in other states,” said Jeffrey Mittman, executive director of the American Civil Liberties Union of Missouri. “We know that the people of Missouri are fair-minded and did not intend to harm these eight families and others like them throughout Missouri. But our current laws do harm them.”
https://www.aclu-mo.org/en/node/75#:~:text=Vasterling%2C%20a%20suit%20fighting%20for,of%20the%20state%20of%20Missouri.&text=The%20ACLU's%20historic%202013%20Supreme,Judge%20J.