Ervah

Bais Shammai permits a co-wife of an Ervah relative as a yibum candidate, ramifications of this ruling, mamzer problems, marrying a kohen

co-wife of an Ervah relative is only forbidden in a yibum context

details about cases of an Ervah relative and her co-wives being exempt from yibum and yibum)">chalitzah

details about cases of an Ervah relative and her co-wives being exempt from yibum and yibum)">chalitzah

details about cases of an Ervah relative and her co-wives being exempt from yibum and yibum)">chalitzah

Ervah relative problem cancels need for yibum or yibum)">chalitzah, rabbinic or negative commandment problem requires yibum)">chalitzah, additional forbidden relationships

Ervah relative problem cancels need for yibum or yibum)">chalitzah, rabbinic or negative commandment problem requires yibum)">chalitzah, additional forbidden relationships

from where we know that kiddushin doesn't work for a married woman or an Ervah relative

one sister is an Ervah relative and one isn't

the Ervah relative of a yavam’s co-wife will be ineligible for yibum unless the Ervah relative’s marriage is terminated prior to his death

yibum situation with a co-wife of an Ervah relative who was married or divorced under questionable circumstances