NEW YORK (AP) — Many of Tina Knowles’ fondest childhood memories are of sitting under a pecan tree as her mother recited the history of their family, stretching back generations. Now, the mother of Beyoncé and Solange has given her own story to the world with “Matriarch: A Memoir,” out this week.

It came at a time that I was open to writing my history down,” says the author of her new book, ‘Matriarch: A Memoir.’

Tina Knowles, the mogul and mother of musicians Beyoncé and Solange, may have a calendar peppered with glamorous engagements and to-dos, but there’s one routine appointment she wishes she hadn’t missed: A mammogram.