Tim Beckwith doesn’t want to talk about it.

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The Palm Beach County assistant state attorney has turned down numerous requests over the years by The Palm Beach Post — including for this story — to discuss a topic that has absolutely nothing to do with his legal work in Florida, but which makes him one of the most historically interesting men in America.

On the old television game show “I’ve Got a Secret,” a celebrity panel had to figure out why a contestant was famous. That’s Timothy Lincoln Beckwith all over. His secret is revealed in his middle name.

Beckwith may be the only living direct descendant of arguably the most famous president in American history.

Or not.

When he was a toddler, a very public court fight made newspapers across America. He allegedly was the child of Abraham Lincoln’s great-grandson, a premise that was challenged in court because the man, Robert Beckwith, was reported to have had a vasectomy years before, and it was argued Tim was the result of an extramarital affair.

The mother, Robert’s second wife, refused to allow a blood test but insisted in court papers that Tim was her husband’s flesh and blood, vasectomy or not.

After Robert Beckwith died in 1985, Tim, then 17, and his mother quietly accepted a settlement in which they waived all claims to the presidential bloodline — and a trust worth millions. At the time, the amount wasn’t revealed. It later turned out to be more than $1 million, according to reports.

Even today, Tim’s secret isn’t that big of a secret. His connection to Abraham Lincoln has been part of numerous magazine articles and is all over the Internet.

Now 49, he has been with the State Attorney’s Office since 1995. He was in the news in 2016 for something work-related;