50s, it states.

The Times reports: "Much of this money came to Mr Trump because he helped his parents dodge taxes. He and his siblings set up a sham corporation to disguise millions of dollars in gifts from their parents."

The paper also alleges that the president "helped his father take improper tax deductions worth millions more". It says he helped cut his parents' tax bill through a strategy that undervalued their property assets by hundreds of millions of dollars.

Addressing the tax evasion claims, the president's lawyer said: "President Trump had virtually no involvement whatsoever with these matters." He said the affairs "were handled by other Trump family members who were not experts themselves", and who had relied on tax professionals.

The biggest claims in the report include:

That the president's deceasedas financial disclosure reports, as well as confidential records like bank statements.

It said "more than 200 tax returns from Fred Trump, his companies and various Trump partnerships and trusts" were among them.

Does this relate to Trump's tax returns?

The Times has not seen Donald Trump's personal tax returns, which he has so far refused to release - unlike past US presidents.

Its cache of papers gives little insight into his most recent business affairs.

However, the paper says the records it has seen - including trust tax returns - build up a picture of how the family's dealings enriched him over decades.

The New York State Tax Department of Taxation and Finance told the BBC it is "reviewing the allegations in the New York Times article and is vigorously pursuing all appropriate