Tina Knowles admits she ‘saw a wall’ grow between daughters Beyoncé and Solange growing up - Knowles’ memoir, Matriarch, came out earlier this week

As adults, famous sisters Beyoncé and Solange are close - but they might owe their bond to a pivotal decision mom Tina Knowles made when they were children. While speaking to CNN News Central Friday (April 25) just a couple days after the release of her memoir,

After separating from Beyoncé and Solange’s mother, Mathew Knowles welcomed a son, Nixon Alexander Knowles, in February 2010, with ex-girlfriend, Alexsandra Wright. He later welcomed a daughter, Koi Mychael Knowles, in July 2010 with ex-girlfriend TaQoya Branscomb.