Relationship Details

Celebrity Biographies

Mark Cornelsen dated T. R. Knight in the past, but they broke up in October, 2009. Mark Cornelsen dated T. R. Knight for 1.7 years. Mark Cornelsen is currently available.

No Celebrity Photo on File

Mark Cornelsen

Other - Other

Why Famous: Boyfriend of T.R. Knight

Age: 30 (b. 1988)


Mark Cornelsen's Relationships (1)

T. R. Knight Profile Photo

T. R. Knight

Entertainment - Actor

Why Famous: Dr. George O'Malley on Grey's Anatomy

Age: 45 (b. 3/26/1973)

T. R. Knight Photos (5)

T. R. Knight's Relationships (3)

Relationship Timeline

Event Start Date Length
Dating 1/2008 1.7 years
Broke Up 10/2009 --
 Total1.7 years

Edit a Relationship Event

Children of this Relationship

No known children for this relationship. Add a child for this couple.


No known Affairs for this Relationship. Add an Affair

Relationship Information, Quotes, and Trivia

Where and/or how did Mark Cornelsen and T. R. Knight meet?

They first crossed paths in October 2007 at a star-studded awards event the Matthew Shepard Foundation hosted in Los Angeles.

Why did Mark Cornelsen and T. R. Knight break up?

Add the Answer

Other Relationship Information about Mark Cornelsen and T. R. Knight:

T.R. acted as a presenter at the Matthew Shepard Foundation even in October 2007 and he was immediately drawn to Mark, who was singled out as a scholar at the event. Although there was some chemistry, T.R. was seeing someone else and he didn't want to jump into a new relationship. After T.R.'s last relationship fizzled began dating Mark.

Add other Relationship Information

Classic Quotes by Mark Cornelsen and T. R. Knight about their relationship:

Add a Quote

Edit Relationship Information, Quotes, and Trivia

Go To Mark Cornelsen's Profile   Go To T. R. Knight's Profile

What do you think of this relationship?

Famous Hookups ©2006 - 2018 Joint Venture 1. All rights reserved.
Photos via PR Photos Do NOT follow this link or you will be banned from the site! Do NOT follow this link or you will be banned from the site!