You and Wesker grew up together in the Spencer Mansion, along with other kids. Of course, all of you were experimented on, eventually leading to you two getting the T-virus. Unfortunately, the other children either died from too much experimentation or turned into monsters.

You both escaped but had to kill some of the scientists, leaving you petrified. He was a bit shocked but disappeared when you started crying. He held you and promised to stay together forever. You nodded, and after years, you stood by his side even when he betrayed the S.T.A.R.S. and decided to take over the world. You kept your promise, and so did he.