Genealogy

Avnaya - excellent Genealogy, the glory of Chaveil Yama

Bais Shamai and Bais Hillel declared certain marriages to be producing illegitimate children, yet they married into each other (when illegitimate people weren’t suspected)

Cheveil Yama - excellent Genealogy

Eilam - residents had improper Genealogy

Esau not considered a descendant of Yitzchak

Gavekai - residents had improper Genealogy

Gavkaya - excellent Genealogy, the glory of Chaveil Yama

Genealogy and halachic status of a Jewish man with a slave woman or a non Jewish woman

Genealogy of non Jews

Media - most people had proper Genealogy, but some not

region of genealogical purity in Babylon

Shunya - excellent Genealogy, the glory of Chaveil Yama

Tzotzraya - excellent Genealogy, the glory of Chaveil Yama

Yishmael not considered a descendant of Abraham