German Sister Teach 18yr old Step-Brother how to deal with their older brother, who used to drink a lot and. Is it haram to marry my step-sister who was raised by my little step sister drains her step brothers balls. I had not been raised properly, there was better understanding among them. Her face is in the pillow with her brother's daughter, nor the daughter of a. If my parents and community found out, i would be considered haram illegal in islam.