Beyoncé Knowles-Carter was born on September 4, 1981, in Houston, Texas, to Mathew Knowles and Tina Knowles, and has no twin sister.
She is the eldest of three siblings: younger sister Solange Knowles, born in 1986, and younger brother JT Knowles, born in 1991.
Extended family includes cousins and relatives, but no identical or fraternal twin has been publicly acknowledged. This article details Beyoncé’s family structure, addresses common misinformation, compares her background with celebrity twins, and provides a clear, sourced overview of her verified relationships.