The tweet was picked up by a variety of outlets, which shared it along with the claim that Ivanka Trump had made the remark during an appearance on The View, shortly after Donald Trump famously said that he would date her if she weren't his daughter:
This video is real: President-elect Donald Trump really did joke about dating his own daughter during an appearance on The View. However, the clip does not feature his daughter's purported response.
"If he wasn't my father, I would spray him with Mace."
Ivanka Trump, 24, the daughter of Donald Trump, on her father complimenting her figure on a talk show and then joking that he would date her if he weren't her father.
The same quote, along with the same attribution, also appeared in an end-of-the-year quiz by the Telegraph. However, other reports about the Trumps' appearance on The View (including one published by the Chicago Tribune) never mentioned this particular quote.
So where did it come from?
The earliest version of this quote we could uncover was published on 17 March 2006, in the "News For Dumb Guys" section — a weekly feature in Louisiana's Shreveport Times — where it was attributed to comedian Conan O'Brien:
"While appearing on The View, Donald Trump said if his 25-year-old daughter Ivanka wasn’t his child, he would date her. Meanwhile, Ivanka said if Donald Trump wasn’t her father, she would mace him."
CONAN O’BRIEN, ON LATE NIGHT
Jordan Schlansky, a former producer for Late Night With Conan O'Brien and current producer of Conan, confirmed in an email that the above-displayed quote originated with Conan O'Brien:
I can confirm your quote below was a monologue joke from the “Late Night with Conan O’Brien” episode originally broadcast on March 7, 2006. Unfortunately, we can’t provide footage as that program is controlled by NBC Universal.
Lauri Hogan, Publicity Director at ABC Entertainment Group, provided a view-only copy of The View interview to Snopes.com and we can confirm that Ivanka Trump did not use this joke during the segment.