Ruling 2502

If a woman breastfeeds any of the people listed below with the milk that is related to her husband, her husband does not become unlawful for the woman:

1. her brothers and sisters;

2. her paternal and maternal uncles and aunts and their offspring;

3. her grandchildren, although if she were to breastfeed her daughter’s child, it would cause her daughter to become unlawful for her own husband;³

4. her nephews and nieces;
5. her husband’s brothers and sisters;
6. her husband’s nephews and nieces;
7. her husband’s paternal and maternal uncles and aunts;

8. her husband’s grandchildren from his other wives.

³ See Ruling 2490.