It lasted 13 years before ending in divorce (at her request, as he stated in his memoir "Secrets"). They have two children, Robert Ellsberg and Mary Ellsberg. In 1970, he married Patricia Marx, daughter of toy maker Louis Marx. They lived for some time afterward in Mill Valley, California. They are the parents of a son, Michael Ellsberg, who is an author and journalist.     7a. ^ PBS Bio on LBJ, part 1