Doris Rowland Garrison, mother of Kelly Rowland who the singer credits as an "incredible soul," passed away in Atlanta on Tuesday.

She was 66.

Garrison suffered from cardiac arrest a day prior to her death, ET can reveal.

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The former Destiny's Child singer confirmed in a statement provided by her rep to Los Angeles Times.

"It is with deep sadness that I announce the passing of my mother, Doris Rowland Garrison," the statement announced.  

"She was an incredible soul who made countless sacrifices so that I could become the woman - and now mother - I am today," the statement continued.

The 33-year-old former X Factor judge, together with her family, is deeply thankful for the "love and support" that people showed on Garrison's passing.

Her family is asking for privacy "during this difficult time."

The singer was only seven years old when her father abandoned her and her mother. Since then, her mother had single-handedly raised her.

Garrison is also survived by her son Orlando Rowland.

Services are scheduled on Saturday in Decatur, Georgia.

Rowland, who is now known as Kelly Rowland Witherspoon, gave birth to a son last month. She named the baby Titan.

The songstress married her manager, Tim Witherspoon in a secret ceremony in Costa Rica in May 2014.

Baby Titan was born November 4.

In her Instagram, Rowland posted a black-and-white images of her son, with the caption that says: "The most Happiest moment of my life -- TJW!"

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