By Hillary Busis
August 08, 2012 at 02:04 PM EDT

Gillian Anderson and Mark Griffiths, her partner of six years, have parted way, reports People. The former X-Files star and Griffiths have two children, 5-year-old Oscar and 3-year-old Felix. Though Anderson and Griffiths never wed, the actress has been married twice before; she split from first husband Clyde Klotz in 1997 and second husband Julian Ozanne in 2006.

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