CentralNotice Rosemary Kennedy From Wikipedia, the free encyclopedia Jump to: navigation , search For her mother, see Rose Elizabeth Fitzgerald . Rosemary Kennedy Rosemary Kennedy in 1938, prior to her lobotomy, ready to be presented at Court. Born Rose Marie Kennedy September 13, 1918 Brookline, Massachusetts , United States Died January 7, 2005 ( 2005-01-07 ) (aged 86) Fort Atkinson, Wisconsin , United States Resting place Holyhood Cemetery Education Sacred Heart Convent Parents Joseph P. Kennedy, Sr. Rose Fitzgerald Relatives See: Kennedy family Rose Marie "Rosemary" Kennedy (September 13, 1918 – January 7, 2005) was a member of the Kennedy family . She was the first sister of President John F. Kennedy , Senator Robert F. Kennedy , and longtime Senator Ted Kennedy . Considered psychologically unstable by her family, she underwent ...