outside Trump says she is “heartbroken” after announcing that her mother Ivana Trump passed away at the age of 73.
The businesswoman and former presidential adviser described her mother as “brilliant, charming, passionate and extremely funny”.
Ivana Trump was the former US president’s first wife Donald Trump and died in her house in New York City.
“Heartbroken at the passing of my mother,” Ivanka wrote on Twitter.
“Mom was brilliant, charming, passionate and incredibly funny. She lived life to the fullest and never passed up an opportunity to laugh and dance.
“I will miss her forever and will always keep her memory alive in our hearts.”
Donald Trump, who was banned from Twitter indefinitely, posted the announcement on his social media platform Truth Social.
“I am deeply saddened to inform all those who loved her, and there are many, that Ivana Trump has passed away at her home in New York City,” he said.
“She was an amazing, beautiful and wonderful woman who lived an amazing and inspiring life.
“Her pride and joy were her three children, Donald Jr, Ivanka and Eric. She was so proud of them, as we were all so proud of her. Rest in peace, Ivana!”
In a separate statement, the Trump family described Ivana as “a force in business, a world-class athlete, a radiant beauty and a caring mother and friend.”
Eric Trump also shared a photo of the family together.
Among several American politicians who paid tribute to Ivana was former Alaska governor and vice presidential candidate Sarah Palin, who described her as “beautiful and graceful”.
“My condolences to the Trump family on the loss of the beautiful and graceful Ivana,” she wrote.
“She was the first Trump I met, in 1996, when she came to Alaska.
“I remember standing in line at the JC Penney store in Anchorage to meet her at an event to promote her new perfume.”
Czech-born ski racer and model, Ivana married Donald Trump in 1977.
She became known in her own right for her accent and her signature beehive haircut, appearing in the 1996 hit film The First Wives Club.
Ivana also made a guest appearance on the seventh series of UK Celebrity Big Brother in 2010.
She was born Ivana Zelnickova in 1949 in the Czechoslovakian city of Gottwaldov, the former city of Zlin just renamed by the communists, who took over the country in 1948.
She was married four times, most recently to Italian actor Rossano Rubicond.