 Chu married Mike Eng in 1978.Eng took Chu's seat on the Monterey Park City Council in 2001, when Chu left the council after getting elected to the Assembly, and in 2006 he took Chu's seat on the Assembly, when Chu left the Assembly.Chu's nephew, Lance Corporal Harry Lew, a US Marine, committed suicide while serving in Afghanistan on April 3, 2011, allegedly as a result of hazing from fellow Marines after Lew allegedly repeatedly fell asleep during his watch.