onald Trump suffered 'child abuse' at the hands of his father', the President's niece will claim in her explosive memoir, which DailyMail.com has obtained ahead of its release.

Mary Trump says 'love meant nothing' to Fred Trump Sr and he only wanted obedience, which the President was forced to give him.

Donald's mother became ill when he was two years old, leaving him with 'total dependence on a caregiver (Fred Sr) who also caused him terror,' Mary writes in Too Much and Never Enough: How My Family Created the World's Most Dangerous Man.

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