According to Official Guinness Records,
At the age of 56 years, Jacilyn Dalenberg (USA) acted as surrogate mother for her daughter, Kim Coseno (USA), and carried and delivered her own grandchildren - three girls. The babies were delivered by caesarian section at Hillcrest Hospital in Cleveland, Ohio, USA, on 11 October 2008.
For a complete list of 2004 records, please visit 2004 Guinness Records in United States.