What son-in-law and daughter-in-law relationships are described in Tanakh?
Son in law / Father-in-law relationships: Yaakov & Lavan, Shimshon and the father of the Timnite (Shofetim 15), the husband & father of the concubine (Shofetim 19), David & Shaul. See Inlaws for a comparison. Daughter in law / Father-in-law relationships: Sarai & Terach (Bereshit 11), Tamar & Yehuda (Bereshit 38), the wife of Pinechas & Eli (Shemuel I 4). Daughter in law / Mother-in-law relationships: Rut and Orpah & Naomi (Rut 1).
Name five Biblical characters who may have converted to Judaism.
There are no explicit cases, and all of the following examples are the subjects of exegetical debate: Yitro – see Yitro's Religious Identity, Paroh's daughter Bityah (see Divrei HaYamim I 4:18 and Bavli Sotah 12b), Rachav (Sifre Bemidbar 78, Bavli Zevachim 116b), Rut (Sifre Bemidbar 78, Bavli Yevamot 47b, Rut Rabbah 2:22), and Queen of Sheba (Shemot Rabbah 27:4).
Three Biblical characters share the same name. One was a Jew, one was a Gentile, and one may have converted to Judaism. What is the common name?