His son, Andrei, was born on 8 October 1967, and Basmanova broke off the relationship. Andrei was registered under Basmanova's surname because Brodsky did not want his son to suffer from the political attacks that he endured. Marina Basmanova was threatened by the Soviet authorities, which prevented her from marrying Brodsky or joining him when he was exiled from the country. After the birth of their son, Brodsky continued to dedicate love poetry to Basmanova. In 1989, Brodsky wrote his last poem to "M.B.", describing himself remembering their life in Leningrad: