Complex sentence: Chan is the child of a Chinese-Vietnamese refugee, who arrived in the U.S. after the Fall of Saigon, and was born in Braintree, Massachusetts, a suburb of Boston, and is a 2003 graduate of Quincy High School.
Split into simpler sentences: Chan is the child of a Chinese-Vietnamese refugee, who arrived in the U.S. after the Fall of Saigon. She was born in Braintree, Massachusetts, a suburb of Boston, and is a 2003 graduate of Quincy High School.