Esther, 88, is happy that her 65-year-old daughter is at ease with her female identity, reported People magazine.
"She's beautiful!" Esther said.
The family matriarch was introduced to Caitlyn before the former Olympian's much-talked about Vanity Fair cover photo, which had her posing as Caitlyn, was released.
"I was there last week, well actually, I got home a week and a half ago. And I met Caitlyn."
Esther said her first impression was that, "She is... So much more at ease."
"I still have to call him Bruce. His father and I named him that. It's going to be a struggle for me to get used to the change, but happily so...