Jeffery L. Duncan age 66 of Schaumburg, beloved husband of Lorrie for 45 years; devoted father of Jamie (Richard) Miller, Caitlin Duncan and Bailey Duncan; cherished grandfather of Chloe, Richie and Madeline; dear brother of Dolores Domagalski, Donna (Ralph) Mirallegro, Eileen (the late Jim) Duncan, Pat (Robert) Black, Peter (Yolanda) Duncan and Alice (Eddie) Chavez; and dear uncle of many nieces and nephews. Visitation will be Tuesday 3:00-9:00 p.m. Chapel Service 7:30 p.m.