Donald Trump has moved to end infighting that has pitted his son-in-law against his chief strategist in an internecine battle over the soul of the White House.

His inclusion in the US delegation is a sign of the influence wielded by Jared Kushner, a 36-year-old with no prior government experience who has become one of the most powerful men in Washington by virtue of his family connection to Trump.

President Donald Trump's son-in-law and top aide Jared Kushner visited Baghdad Monday with the US's top military officer, meeting Iraq's premier to discuss the fight against the Islamic State group.

Donald Trump's daughter Ivanka and her husband Jared Kushner have held onto real estate and business investments valued in the hundreds of millions while working government jobs, according to ethics filings released late Friday by the White House.

The Kremlin on Tuesday said that meetings between senior state bank officials and Donald Trump's son-in-law Jared Kushner and his company were "normal business."

Donald Trump's son-in-law and top aide Jared Kushner will appear before a Senate panel investigating Russian interference in the US election, the White House said Monday.

US President Donald Trump has tapped son-in-law Jared Kushner to lead a new White House office, that aims to apply ideas from the business world to help streamline the government, the Washington Post reported Sunday.

A company owned by the family of President Donald Trump's son-in-law, Jared Kushner, is set to receive more than $400 million from a Chinese firm that is investing in its Manhattan office tower, Bloomberg reported Monday.

The new first family is a tight-knit celebrity clan, wealthy beyond the wildest dreams of most Americans and well used to the public eye.

Donald Trump on Monday named son-in-law Jared Kushner as senior White House advisor, rewarding the man widely credited as the brains behind his election but courting serious legal and ethical concerns.

Donald Trump's son-in-law Jared Kushner is expected to be named senior advisor to the president, NBC News and other US television networks reported Monday.

Photos of US President-elect Donald Trump's landmark first talks with a foreign leader show his daughter Ivanka was present, underscoring the family's influence as he readies to take power.