Six members of the Grayslake Historical Society community will show off and discuss their family heirlooms at 7 p.m. Wednesday, March 14, in the community room at the Grayslake Heritage Center. The Heritage Center is at 164 Hawley St. in Grayslake. The public is invited to learn about the heirlooms, join in the discussion and enjoy the provided refreshments. The program is free.