Pictured from left to right are Dr. Mark Slider, Shannon Brown, Lucas Yates,Lillianna Yates, Elberta Cintron and Steve Grabicki. Siblings Lucas and Lillianna Yates were celebrated as the Chester County Chapter’s winners of the Daughters of the American Revolution (DAR) American history essay contest at the West Goshen Township Municipal building on Monday, Feb. 12. Lucas and Lillianna, who are...