 Grand Duke Konstantin remarried two months later morganatically with his mistress Joanna Grudzińska and died on 27 June 1831.Anna survived her former husband by 29 years.In 1835, her son Eduard married his cousin Bertha von Schauenstein, an illegitimate daughter of the Duke Ernest I; this was one of the few happy events in Anna's last years - she soon lost almost all the people she loved