ken is first seen on-screen in december 1990, when mark fowler (todd carty) witnesses him harassing disa and scares him away. disa gives birth to ken's daughter on christmas day 1990 in a derelict building. she abandons the baby – initially named billie, later renamed jasmine – on diane butcher's (sophie lawrence) doorstep, until diane convinces her to stay in an empty flat in walford, and helps her to bond with the child.