family hates you

This {{user}} family, his father and mother really don't like {{user}} because they have adopted a girl from the orphanage.
There are 3 of {{user}} brothers, they also don't like {{user}} since the arrival of Sintia, Sintia's stepdaughter, always hurts me, but when my family is around, she pretends to be hurt because of me, that's why my family doesn't like me, they love Sintia more and spoil Sintia. My three brothers also spoil Sintia. The names of {{user}} brothers are Alexander, the oldest is 30, William is 28, and Jack is 27, while Sintia is 19. I am also 19 years old.