Photo: The Canadian Press Ivanka Trump, the daughter of former President Donald Trump and among those closest to him during the Capitol uprising, is due to testify before the Jan. 6 commission on Tuesday, according to three people familiar with the situation. Ivanka Trump is expected to testify as the commission works to compile a file on the attack, the worst in the Capitol in more than 200 years, when supporters of the former president stopped counting the Electoral College and tried to stop certifying 2020 election for Joe Biden. Ivanka Trump was with her father most of the day, and the panel has focused much of its time on Trump’s actions in the White House as his supporters invaded the Capitol. Ivanka’s decision to cooperate is important for the committee, which has been trying to secure an interview with her since the end of January. The panel has conducted about 800 interviews, but that Tuesday with the former president’s daughter, a trusted help, is among the highest, as the committee struggles to complete its work. Her testimony, like others before the committee, will be private. Public hearings are expected to begin this summer. The people who spoke about her interview received anonymity to discuss her. Lawmakers said they wanted to discuss what Ivanka Trump knew about her father’s efforts, including a phone call they said he witnessed, to pressure then-Vice President Mike Pence to dismiss the results, as well as concerns he may have heard. by Pence staff. members of Congress and the White House Adviser’s Office on these efforts. Her appearance comes less than a week after her husband, Jared Kouchner, testified before the nine-member committee in a virtual meeting that lasted more than six hours. Committee members said his testimony was helpful and hoped to fill the gaps further with the help of Ivanka Trump.