For 10 points, identify this position occupied by Ishmael's mother Hagar, because she lived with Abraham though he was married to Sarah.
A corpse belonging to one of these is cut into twelve pieces by a Levite living in Ephraim after being raped by a gang of thugs. That one is appears in Judges 19, and consequently, the fifteenth of Av commemorates the readmission of the Tribe of Benjamin after that same incident, referring to one "at Gibea." Jacob had one of these named Bilhah and one named Zilpah, while King Solomon notably had three hundred, and they are distinguished because they do not receive a ketubah. Islam limits the number of these to the number of orphans one may support, while a famous one of these gave birth to the husband of Aisha and Fatima. For 10 points, identify this position occupied by Ishmael's mother Hagar, because she lived with Abraham though he was married to Sarah.
A corpse belonging to one of these is cut into twelve pieces by a Levite living in Ephraim after being raped by a gang of thugs.
concubines