Goals from Gavin Sharpe, Mathew Jones and Deion Evans secured Llannerch-y-medd a memorable Gwynedd League treble after they added the Bob Owen Memorial Shield to the Safeflue Shield and League title by beating Llanystumdwy 3-1 at Llanrug's Eithin Duon ground last night. Mark Godfrey scored Stumdwy's consolation in the closing 10 minutes.