The ruling on a man marrying a girl who was breastfed with her sister

Question:
Is it permissible for a man to marry a girl who was breastfed with her sister, who is of his age and in his age group? Is she lawful for him, or not?

Answer:
If he was breastfed by her mother with a complete breastfeeding of five times or more, then her children are his siblings, this one and the others. If he was breastfed by her mother with a complete breastfeeding, five times or more, while he was within the two-year period, then all the daughters of the wet nurse are his sisters. He is not permitted to marry any of them, whether she is older or younger. However, if she was breastfed by his mother, if she was breastfed by his mother along with him, then he may marry some of her sisters who were not breastfed by his mother. As for him, if he was breastfed by her mother, then all the daughters of the wet nurse are his sisters, those born before the breastfed child and those born after. Yes.

The presenter: May Allah reward you with good.