Separated

T.R. Knight and Mark Cornelsen  

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Mark Cornelsen and T.R. Knight dated from 2007 to October, 2009.

About

Mark Cornelsen is an American Activist.

T.R. Knight is a 50 year old American Actor. Born Theodore Raymond Knight on 26th March, 1973 in Minneapolis, MN, USA, he is famous for George on Grey's Anatomy. His zodiac sign is Aries.

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