List of Syrian detainees at Guantanamo Bay

The United States Department of Defense was holding a total of eleven
Syrian detainees in Guantanamo.
A total of 778 suspects have been held in the Guantanamo Bay [detention camp]s, in Cuba since the camps opened on January 11, 2002
The camp population peaked in 2004 at approximately 660.

Wives

In 2008, Human Rights Watch reported:

On July 31, State Security, one of Syria's numerous security agencies, seized Yusra al-Husayn at her house and took her into detention. She is the wife of Jihad Diab, a detainee at the US military base at Guantanamo Bay.