Jessie's mom was named Miymoto, a top class Team Rocket agent. She worked for Madam Boss, Giovanni's mom. She loved her daughter very much, even though they were dirt poor. How kawaii! But later on, Miymoto was assigned an important mission to capture Mew. She died in an avalanche leaving poor Jessie all alone. How sad!

How Jessie got the money to join other things like theater class and go to a school for rich people I do not know. Miyamoto must have married a rich man who cares for his family after all! Giovanni......