"Ron Reagan and sister Patti Davis pause at the casket of their mother, Nancy Reagan, at her gravesite at the Ronald Reagan Presidential Library in Simi Valley, California, on Friday, March 11. <a href=""http://www.cnn.com/2016/03/11/politics/gallery/nancy-reagan-funeral/index.html"" target=""_blank"">Funeral services for the former first lady </a>were held at the library Friday."