The families of Benjamin Knowlton and Rebecca Green are pleased to announce their engagement.

Ben is the son of Hilary Harwood and Spencer Knowlton, both of Camden. Ben is the grandson of Anna Leeson of Rockport and Marguerite Knowlton of Rockland.

Rebecca is the daughter of Marilyn and David Green of Rockville, Md.

The couple currently live and work in Washington, D.C.

They are planning to wed in August 2010 in Camden.