The World Federation One Stop Fiqh

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.