The Hill is reporting U.S. Senate candidate Kevin Nicholson’s brother Scott has donated to the campaign of U.S. Senator Tammy Baldwin, the Democrat who is running for re-election. Kevin Nicholson is hoping to win the Republican nomination in the August primary to take on Baldwin in the November election.

“Nicholson’s brother Scott donated the maximum $2,700 for the primary to Baldwin’s campaign on Dec. 31, according to Federal Elections Commission documents,” The Hill reported Monday. “Scott Nicholson was a registered Democrat in New York in 2016, according to voter registration data. He did not return a request for comment.”

This is the second donation to Baldwin by Nicholson’s family since he declared his candidacy. Nicholson’s parents also donated to Baldwin’s campaign on December 31, just before the deadline for reporting campaign donations. Nicholson talked on Fox & Friends how his family has cut off contact with him.

Nicholson, a former President of the College Democrats, has previously described how he was raised a Democrat by his family but converted after his experiences as a U.S. Marine in Iraq.

According to The Hill, Nicholson responded to an inquiry about his brother’s donation to Baldwin with a statement that is similar to the one released after news broke of his parents’ donation.

“My parents have a different worldview than I do, and it is not surprising that they would support a candidate like Tammy Baldwin who shares their perspective,” Nicholson told The Hill. “I’m a conservative today not because I was born one, but because of the experience I earned as a Marine in combat, my experience as a husband and father, my choice to be a Christian, the schools I chose to attend and the decision to pursue the career that I have.”

Nicholson is facing state Sen. Leah Vukmir (R-Brookfield) in the August primary. Businessman Eric Hovde, a candidate for Senate in 2012, is also said to be considering a run.