Bobbi Kristina Brown, only child of the late pop star Whitney Houston, died Sunday, nearly six months after being found unresponsive in a bathtub at her town house in suburban Roswell, Georgia, on Jan. 31.

"She is finally at peace in the arms of God," Kristen Foster, a representative for the Houston family said Sunday. "We want to again thank everyone for their tremendous amount of love and support during these last few months."

Brown, whose father is singer Bobby Brown, died surrounded by family at Peachtree Christian Hospice in Duluth, Georgia.

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The Fulton County, Georgia, medical examiner's office confirmed Brown's death Sunday night and will issue a statement Monday.

The 22-year-old had been devastated by the death of her mother, found in a bathtub on Feb. 11, 2012. She regrouped well enough later that year to pursue acting, playing a recurring role on the TBS comedy-drama "Tyler Perry's For Better or Worse," but toyed with the idea of singing.

She already was familiar to TV audiences from the single-season Bravo reality show "Being Bobby Brown" that aired in 2005. And proud mother Houston would sometimes showcase her daughter on-screen -- from serenading her in VH1's "Divas" concert in 1999 to performing a duet with her of "My Love Is Your Love" on ABC's "Good Morning America" in 2009.

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After her mother's death, Brown starred in the Lifetime reality show "The Houstons: On Our Own," which ran 14 episodes from October 2012 to February 2013.

Bobbi Kristina Houston Brown was born March 4, 1993, in Livingston, New Jersey. Her parents' divorce was finalized in 2007. While Brown was growing up, Houston took in a child, Nick Gordon, after his biological mother could no longer care for him, and considered him like a son.

Brown and Gordon began a romantic relationship in 2012, after Houston's death, and Brown said on her Facebook page in July 2013 that they had become engaged. In January 2014, she tweeted a photo of two hands with apparent wedding bands and claimed she was married, but Bobby Brown's attorney, Christopher Brown, said at the time, "Bobbi Kristina is not and has never been married to Nick Gordon."

Houston had left her daughter her entire estate, with the six-time Grammy-winner's will placing monetary assets in a trust until Brown turned 21, with another allotment at age 25 and the remainder at age 30.

Aside from her father, Brown is survived by her grandmother, gospel and soul legend Cissy Houston; her mother's brother Michael Houston and half-brother Gary Garland; and others, including her mother's cousin, famed singer Dionne Warwick.

With AP