Barbara N. Marquardt, 89, of Sebring passed away on August 11, 2023 at Fellowship Home at the Fairway in Sebring.  A native of Stanford, CT she moved to this area over 30 years ago from Groton, CT.  She was a homemaker.  She was a member of the Moose Club and American Legion in Avon Park.  She was preceded in death by her husband Milton in 2012.  She is survived by her daughter, Patty Holst; son, Bill Marquardt; 7 grandchildren, Jerry Lane, Jesse Lane, Jeni Lane, James Lane, Josh Lane, Jasmine Lane and Billy Marquardt, Jr.; 10 great grandchildren and 1 great great granddaughter.  A memorial service will be held on Tuesday, August 15, 2023 at 3:00 pm at the funeral home.