Four.
Martin VanBuren
He was 55 years old when he became President
Martin VanBuren was born in Kinderhook, NY. And was given the nickname "Old Kinderhook."
He was a (Jacksonian) Democrat. Jackson hand-picked him to run as his replacement.
The only wars under VanBuren were wars with the American Indians,
Chris Martin has 2 children
Martin Luther has 6 children
Dean Martin has 8 children
Martin Sheen has 4 children
Martin Van Buren's formal education was limited, and he did not attend college. He studied law independently and became a lawyer after passing the bar exam.
Martin Van Buren has 5 children
He has one. A daughter!