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Arizona Sen. John McCain and his daughter Meghan McCain attend a rally in Westerville, Ohio, Oct. 19, 2008. Getty Images

A long-standing feud between President Donald Trump and Arizona Sen. John McCain is still escalating this week following the deaths of four American soldiers in Niger. But while they’ve often butted heads, both Republican leaders have high-profile daughters who are involved in their political lives but seem to have managed to remain cordial.

Ivanka Trump and Meghan McCain bear some significant similarities: Both have stayed close to their fathers and are often outspoken in defense of their dads. The privileged daughters of wealthy men, both attended Ivy League schools: Ivanka at the University of Pennsylvania, while the senator’s daughter went to Columbia University. Ivanka is about to turn 36; she's married and the mother of three. Meghan, who just had her 33rd birthday, is single. She's recently Instagrammed about her boyfriend's cooking skills but hasn't revealed his identity.

Ivanka has worked in her father's company and for her own clothing and accessories brand, while Meghan has been in journalism and just joined the cast of "The View."

Tensions between their fathers don’t appear to have trickled down to the daughters, at least as of yet. It appeared both Meghan and Ivanka bore no ill will toward each other.

“Of all the things I have to criticize about Donald Trump, his daughters are definitely not one of them,” McCain told People magazine in 2016. “They seem like lovely ladies. They’re doing a great job and people should be a little more sympathetic to the fact that it’s their father and they’re going to take it a little more personally when he’s criticized in front of them.”

Meghan McCain also came to Ivanka Trump’s defense after a passenger on a flight with the first daughter reportedly berated her and her family on the plane.

“These people are barbaric,” she said on Fox News about the incident. “Those little kids will remember this. I guarantee it, because you always remember. And it’s disgusting, and I’m so grossed out by the behavior of these people.”

Meghan McCain hasn’t said much about the first daughter since the feud between her father and the president escalated last week. She has, however, long defended her father against some of Trump’s most striking insults, using her Twitter account to express pride in her father's patriotism and military service.

Ivanka is less of a presence on social media in general, and has remained mum regarding the ongoing conflict between the two politicians.