Cristie Marie Lorentzen, age 34, a resident of Royal Oak, died January 15, 2012 in Westland. She was born April 10, 1977 in Royal Oak. Cristie worked as a dental assistant in Farmington Hills. She is survived by her father, James A. Lorentzen of Royal Oak; and brother, Peter Lorentzen. She was preceded in death by her mother, Ellen M. Donnelly. There will be memorial visitation Friday 12:30 p.m. until the time of the memorial service 2 p.m. at the Wm. Sullivan & Son Funeral Home, 705 W Eleven Mile Road 4 blocks E of Woodward, Royal Oak. Memorials to the National Multiple Sclerosis Society are appreciated. Share your memories at www.sullivanfuneraldirectors.com.