In 1953 Shriver married Eunice Kennedy (the sister of John F. Kennedy) and together they had 5 children; Robert Sargent Shriver III, Maria Shriver (the wife of Arnold Schwarzenegger), Timothy Peter Shriver, Mark Kennedy Shriver, and Anthony Paul Kennedy Shriver. Shriver's wife of 56 years Eunice Kennedy Shriver died on August 11, 2009 from a stroke, two weeks later his brother-in-law Ted Kennedy died on August 25, 2009 from brain cancer.