>>54455909>>54455923You people are retarded, just go on the page and see the references:
In The Birth of Mewtwo, Jessie's mother Miyamoto wrote a report 20 years before Mewtwo's creation that says she gave away her daughter to be a foster child as a little girl.
In the Japanese version of The Power of One, Jessie tells Ash and Misty, who are 10 years old, that they're 10 years too young to talk about love, and James adds that he and Jessie are five years older than that.
In A Festival Trade! A Festival Farewell?, Jessie mentions that Pumpkaboo was the only one who remembered her birthday, which happened after she caught her.