Volume 3, Book 48, Number 828:
Narrated ‘Uqba bin Al-Harith:
I married a woman and later on a woman came and said, “I suckled you both.” So, I went to the
Prophet (to ask him about it). He said, “How can you (keep her as a wife) when it has been said (that
you were foster brother and sister)? Leave (divorce) her.