Duane and Elizabeth Grossen, Monroe, will celebrate their 40th wedding anniversary with an open house from 2 to 5 p.m. Saturday, April 25, at the Moose Lodge in Monroe.

Grossen and Elizabeth Stiff were married April 26, 1969 in Claire, England.

They have two children, Stuart (Terri) Grossen and Kim (Bob) Ostby. They also have two grandchildren.

All friends and relatives are invited as no formal invitations are being sent.