Complex sentence: Frank Vincent DuMond (1865-1951) was an American Impressionist painter born in Rochester, New York whose students included Charles Hawthorne, Georgia O'Keeffe, John Marin, Andrew Loomis, Norman Rockwell, Frank J. Reilly, Ted Seth Jacobs and Frank Mason.
Split into simpler sentences: Frank Vincent DuMond (1865-1951) was an American Impressionist painter born in Rochester, New York. His students included Charles Hawthorne, Georgia O'Keeffe, John Marin, Andrew Loomis, Norman Rockwell, Frank J. Reilly, Ted Seth Jacobs and Frank Mason.