Dugard and the two daughters she had with her accused kidnapper and rapist, Phillip Garrido, spent several emotional days reconnecting with her mother, Terry Probyn, according to Probyn's sister.
Tina Dugard, Probyn's sister and Jaycee Dugard's aunt, was part of the reunion for five days, according to an interview with the Orange County Register.
Tina Dugard will make a statement at the FBI office in Los Angeles 10 a.m. Pacific Thursday morning.
The 42-year-old Dugard said Probyn took the chance to make up for lost time - even playing with her 29-year-old daughter's hair.
"I remember thinking, 'Wow, she's French-braiding Jaycee's hair for the first time in 18 years,'" Tina Dugard told the paper.
Tina Dugard said Jaycee recognized her instantly when they first met, shouting "Auntie Tina!" when she entered the room.
More coverage of the Dugard case on CBSNews.com:
Nancy Garrido Misses "Family," Lawyer Says
Prior Victim "Horrified" Over Jaycee Story
Why Was Garrido Released on Parole?
Witness: Jaycee's Kids Seemed Normal
Slideshow: Inside Jaycee Dugard's Terror Tent
Tina Dugard said the two daughters, ages 15 and 11 and reportedly named Starlet and Angel, were "educated and bright" - at one point pointing out constellations and edible plants - despite receiving no formal schooling. Dugard also said they "know what's been going on" but had not been allowed to watch news coverage of their fathers arrest.
Garrido, along with his wife Nancy, face 29 charges for the kidnap and rape of Jaycee Dugard, taken from in front of her home when she was 11. The couple kept her and the two young girls in a.
Tina Dugard said there was "a sense of comfort and optimism [in the family], a sense of happiness. … Jaycee and her girls are happy."