Jean Kennedy Smith, an US envoy who played a crucial function in Northern Ireland peace procedure, has actually died aged 92.
Her daughter Kym validated her death to United States media on Thursday.
Ms Smith was the second youngest of the 9 Kennedy brother or sisters, who included President John F Kennedy and Senator Robert F Kennedy.
A diplomat, activist and humanitarian, Ms Smith was the last-surviving kid of Joseph P Kennedy and Rose Fitzgerald.
Ms Smith functioned as the US ambassador to Ireland in the 1990 s, playing a crucial role in efforts to end sectarian violence in Northern Ireland.
In 2011, United States President Barack Obama granted Ms Smith the Presidential Medal of Freedom, the greatest civilian honour in the nation.
She led a peaceful life till she got in politics, doing philanthropy work and keeping out of the spotlight her distinguished household name brought in.
Her first taste of politics was available in 1960, when she campaigned across the nation in assistance of her sibling, John F Kennedy, who was running for the presidency.