Anthony Ciccone, Madonna's oldest brother ... "Thank you for blowing my mind as a young girl," wrote Madonna, adding: "You planted many important seeds." Ciccone died in Suttons Bay, Mich.

"Thank you for blowing my mind as a young girl," wrote Madonna on her Instagram Story with a black-and-white throwback photo of herself with her late brother Anthony Ciccone, who died at age 66 ...