Joyce Wasmund, Princeton, will celebrate her 80th birthday with an open house from 1 p.m. to 3 p.m. Nov. 29 at the Princeton Community Building, U.S. 59 and Prince St.The hosts of the event will be her children and grandchildren.Her children are Dr. William and Marilyn McAndrew, Merritt Island, Fla.; Larry and Linda Thurston, Princeton; Jim and Patty Robinson, Inver Grove Heights, Minn.; and Julie Pfannenstiel, Ottawa.She was born Nov. 26, 1928.