Former Guantanamo Bay detainee David Hicks has married his girlfriend, Aloysia Brooks, in Sydney.

His father, Terry Hicks, who attended the wedding, said he was glad to see his son getting on with his life.

David Hicks...moving on with his life.

"We are grateful that things are going along an even line and he can get on and hopefully be left alone," he told newspaper.

"They're going to enjoy themselves and get on with their lives, and that's what it's about."