CLEVELAND -- The Ohio parents of Olympic gold medalist Tianna Madison have sued her for libel, slander and defamation.

Robert and Jo Ann Madison of Elyriafiled the lawsuit Thursday in Cuyahoga County Common Pleas Court in Cleveland.

Madison was a member of the winning 4x100-meter relay team at the Summer Olympics in London. The lawsuit also names her husband, John Bartoletta.

The Tampa, Fla., couple has an unpublished phone number and could not be reached Friday. The lawsuit doesn't mention an attorney representing them.

The lawsuit asked for more than $25,000 each in compensatory and punitive damages for spreading the allegations.