sentences:  The Dowager Duchess of Marlborough died in 1990.In 1961, Dudley married thirdly to Grace Maria (née Kolin) Radziwill (1923–2016), daughter of Dr. Michael Kolin and Anna Tironi of Dubrovnik, Yugoslavia.Grace was the former wife of Prince Stanislaus Radziwill (The Prince's third wife, Lee Radziwiłł, was formerly married to Michael Temple Canfield, the third husband of Ward's second wife, Laura).