Raimunda Rothen shows off her wedding ring with her son Michael Biggs at Belmarsh Prison, London after she married great train robber, Ronnie Biggs. The 72 year old former fugitive married the mother of his son Michael. *…in a closed ceremony at the south east London jail where he is serving a 30-year sentence. Biggs, proposed four times to Raimunda, 54, who accepted because she feared the ailing convict is nearing the end of his life.