Meet Tina Knowles Lawson, the mother of Beyoncé and Solange Knowles. Beyond being the mother of this celebrity duo, she is an entrepreneur who created successful clothing lines like the House of Deréon, Deréon, and Miss Tina. Affectionately called 'Miss Tina,' Lawson grew up in 'a real small town' in Galveston, Texas, during the 1950s....
