Dereon History Tina Knowles and daughters Beyonce Solange have always drawn on the wonderful details and techniques passed on by Tina's mother, Agnes Dereon. With Dereon, they've developed a line reflective not only of her Creole influences, but also her daring approach and bold ideas. Beyonce and Solange have always brought a fresh eye and playful attitude to fashion as they have developed their own individual styles. They are the quintessential Dereon girls.