Grey's Anatomy star and hunk Justin Chambers, along with his wife Keisha, and their five children â€" Isabella, 12, fraternal twins Maya and Kaila, 10, Eva, 8, and Jackson, 6 - started off the new year at the Knott's Berry Farm amusement park in Buena Vista, Calif., on Wednesday. Here's a nice photo of one very cool dad ...

It's always nice to see the actor who plays Dr. Alex Karev outside of the office. Follow this link for many more Chambers family pics from this outing...

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