Complex sentence: Monroe was the last president called a Founding Father of the United States, and also the last president of the "Virginia Dynasty", a term sometimes used to describe the fact that four of the nation's first five presidents were from Virginia.
Split into simpler sentences: Monroe was the last president called a Founding Father of the United States. He was also the last president of the "Virginia Dynasty", a term sometimes used to describe the fact that four of the nation's first five presidents were from Virginia.