[caption id="attachment_128297" align="aligncenter" width="3300"] (AP Photo/Jim Cole) 

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Wisconsin Gov. Scott Walker is gearing up for his presidential campaign where he will have to defend his views on a number of issues to formidable opponents, but right now, it's his own family that is  disagreeing with Walker.

In an interview with the Washington Post, Walker's wife Tonette shared the divide in their family over gay marriage.

Following last month's Supreme Court ruling on same-sex marriage, Tonette told the Post of her sons' reaction to their father's comments where he called the ruling "a grave mistake."

“That was a hard one.  Our sons were disappointed. . . . I was torn. I have children who are very passionate [in favor of same-sex marriage], and Scott was on his side very passionate," she said.

Tonette told the Post that her close cousin who she described as "like a sister" recently married her partner of 18 years.  Walker's son Alex was the best man.

Her husband, who is not known for shying away from expressing his stance on divisive issues, is poised to become a formidable GOP candidate after his impending announcement, but Tonette says her family isn't always in line with the governor's beliefs.

Tonette told the Post, “Do I agree with him all the time? No. But most of the time things work out a lot better than I think they will.”

Her husband diplomatically responded to his wife's admission that they -- shockingly -- aren't always 100 percent in agreement.

“It doesn't mean I change my position," Gov. Walker said in response to his wife's admission. "[It could lead to] finding a different way of explaining it, so they can appreciate where I am coming from."

The disapproval of Walker's sons Matt and Alex - who have taken time off from college to help their dad's campaign - may have also been taken into account on gay marriage.

The day after the Supreme Court ruling, Walker said to a Colorado crowd that people needed to "respect the opinions of others in America."

It seems as though Walker's family may be helping prepare him for disagreements more than an entire staff of advisers could.