Tina Knowles, American fashion designer, founded House of Deréon
Celestine Beyoncé Knowles-Lawson (née Beyonce; born January 4, 1954) is an American businesswoman, fashion designer, and philanthropist known for establishing the brands House of Deréon and Miss Tina by Tina Knowles. She is the mother of singers Beyoncé and Solange Knowles, and, until 2011, was married to their father Mathew Knowles, the manager of Destiny's Child.