Bonnie Sue T. Lettow, of McLean, Virginia, passed away Sunday, June 12, 2016 at the Inova Fairfax Hospital in Fairfax, Virginia. Graveside services for Sue Lettow will be 11:00 am, Thursday, June 16, 2016 at the Union Cemetery in Iowa Falls, Iowa. Following the service there will be a time of fellowship and refreshments at St. Paul’s Lutheran Church; 408 Berlin; Buckeye, Iowa To leave online condolences and biography please visit linnsfuneralhome.com. The Linn’s Funeral Home of Iowa Falls and Alden is helping the family with arrangements.