News Tina Knowles-Lawson files to divorce Richard Lawson after 8 years of marriage July 27, 2023 Naledi Ushe, USA TODAY Comments Off on Tina Knowles-Lawson files to divorce Richard Lawson after 8 years of marriage Tina Knowles-Lawson, mom to Beyoncé and Solange, filed for divorce from Richard Lawson. The pair was married for 8 years.