Article continues below advertisementCaroline Kennedy has coped with grief surrounding the 'Kennedy Curse,' for decades - but the recent death of her daughter, Tatiana Schlossberg, has reportedly struck a nerve.Presidential historian Steven M. Gillon informed an outlet that despite the 68-year-old's history of loss, she is really struggling.Article continues below advertisementSource: MEGACaroline Kennedy is Tatiana Schlossberg's mother."Her mom [Jackie Kennedy] dies at 64, a relatively young age.