Oh! You have seen Stanley’s passport records! Do tell about her travels during pregnancy
Her passport records have been available on the internet since 2010 (by a FOIA request)
http://www.freerepublic.com/focus/bloggers/2562507/posts
She continuously renewed her US passport from 1965 to the mid-1980s. If she had gained Indonesian citizenship by marriage, Indonesian law would have required she give up the US citizenship. But then she would not been able to renew her passport.