That means just three generations of the Tyler family are spread out over more than 200 years. President Tyler was also a prolific father, having 15 children (8 boys and 7 girls) with two wives.
He even allegedly fathered a child, John Dunjee, with one of his slaves.
Some context on Tyler's progeny: Jane Garfield (granddaughter of James Garfield) is 99, making her the oldest living grandchild of a former president, even though Garfield took office 40 years after Tyler.
Former Ambassador John Eisenhower is the oldest living presidential child, turning 89 this past August.
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