Dale and ZoAnn Trentmann, Washington, announce the engagement of their daughter, Ashley Mooney, to Jason Cull, son of Jack and Deborah Cull, Robertsville.

Ashley is employed by Kehr’s Mill Dental Arts, Ballwin, as a dental assistant.

Jason is a member of Sheet Metal Workers Local 36 Union. He is employed at MCI Mechanical as a foreman.

The couple plan a May 17, 2013, wedding.