Truely Grace Brown was born on April 13, 2010, to Kody Brown and Christine Brown (née Allred). She was the couple's sixth and final child. Truely's father has four total wives, and she has twelve half-siblings from these marriages. Her birth was featured on the Sister Wives episode "A Sister in Labor".
Truely's family moved to Las Vegas, Nevada, when she was a baby, and she has lived there ever since.
In 2014, Truely was admitted to the hospital for acute kidney failure and dehydration after her mother took her to the emergency room for what she believed to be the flu. She was started on abdominal dialysis, and was not expected to survive. After eleven days in the hospital, Truely was able to return home.
Truely's birth was featured on the TLC show Sister Wives. Since then, she has been regularly featured on the show, which chronicles her family's lives as polygamists. As of August 25, 2017, eleven seasons have been released with no official premiere date listed for season twelve.