[If] someone performed chalitzah with his yevamah, and [then] she was found to be pregnant and she gave birth —- if the child is capable of living, he is permitted to [marry] her relatives, and she is permitted to [marry] his relatives, and he has not disqualified her from the priesthood; [if] the child is not capable of living, he is forbidden to [marry] her relatives, and she is forbidden to [marry] his, and he has disqualified her from the priesthood.