Roberta "Bobbie" Johnson, nee Pertle, of Roselle; wife of Jay, mom of Heather (Matt) Birong and Andrew (Stacie); grandma of Mary Ryan, Greyson, Colin and Harry; sister of David; also 3 cats Boo, Mitzie and Roxie. She was preceded in death by her parents Paul and June Pertle, nee Larson. Mrs. Johnson drove a school bus locally for many years in the Roselle area. Funeral Saturday 12/22, 10:00 am at the chapel of Windridge Cemetery 7014 S. Rawson Bridge Rd., Cary. Interment Windridge