Jonathan Saint Nicholas Boleslaus VI (January 25, 1890-December 25, 1995) was the member of the Chawopolis Palace. Member of the Boleslaw Family.

Boleslaus was born in New York City, on January 25, 1890, and lived mostly in an Immigrant community in New York City, with Polish and Hungarian immigrants, and his father, Jonathan Saint Nicholas Boleslaus V (1850-1953) was known to live through the American Civil War (1861-1865), and served on the Chawopolis Palace from Virginia.

In 1917, he married his first cousin, Elisabeth Viktoria Boleslaus, and had five children in 11 years, three of his children died before adulthood, while only two of his children survived straight to the age of 90.

On December 31, 1939, his father term-limited himself and retired, Jonathan VI overtook his father's place.