"Ivanka was sitting in the back and then briefly joined the main table when the President had to step out and the President of the World Bank started talking as the topic involved areas such as African development - areas that will benefit from the facility just announced by the World Bank", the senior administration official told CNN.
"If she weren't my daughter it would be so much easier for her", he said while speaking in Hamburg, Germany.
The fund would "transform millions of lives, millions and millions", Trump said, praising women with entrepreneurial spirit and joking his business career would have been more challenging if there had been more female competitors.
The World Bank Group has announced the creation of a more than United States dollars 1 billion innovative new facility that aims to advance women's entrepreneurship.
"Ivanka Trump was part and parcel of the American delegation so that is something that other delegations also do. Women's empowerment and leadership will diversify and revitalize organization and societies".
"If you agree with them, they are on your side and they will fight for you", he said.
Merkel and Ivanka Trump have worked together on a series of issues.
President Donald Trump will meet with a long list of world leaders Saturday as he wraps up his second trip overseas.
In the since-deleted tweet, Ivanka was seen surrounded by Chinese President Xi Jinping, British Prime Minister Theresa May, Turkish President Recep Tayyip Erdogan, and German Chancellor Angela Merkel.
He'll also attend a women's entrepreneurship finance event and participate in various sessions with fellow Group of 20 leaders.
Trump is set to return to Washington Saturday evening.