Can i stop a grandparent from seing my daughter

Hello I am from Ont Canada so laws may be diffrent.

I now have a 2week old baby girl and though out my girlfriend pregnacy her mother had thretend to take our child and to hurt me, but also said she wanted to nothing to with the baby.

as soon as the baby was born she changed her ways and now think she is grandma.

recently we got in a fight in my apartment biulding asked her to leave and she refused so i used my right to forcabliy remove her,

me and my girl friend live to geather but right now she is at her mothers. with our child

now that my girlfriend wants to come home her mother says she will bring her back but every time my girlfriend trys to ask her mother than minipults her buy making her feel bad and trying to make me seem like a real bad guy.

i am filing a restaining order on my girl friends mother and would like to know if i can put my daghuter on this. i fear for my child as this woman is bypoler.
her and her household is not a sutibel to be at my girlfrien has been removed from the house by social services befor in the past because of her mother.

can i stop her mother from seeing our child.