This phrase, combining a question about parentage with one about religious affiliation, likely functions as a rhetorical challenge. It suggests an attempt to assert dominance or belittle someone by questioning their heritage and beliefs. The juxtaposition of these seemingly unrelated inquiries creates a disorienting and potentially aggressive tone. Similar phrases exist in various cultural contexts, often employed to unsettle or provoke a reaction.
Such expressions can be understood as power plays, designed to put the recipient on the defensive. The effectiveness of the challenge lies in its unexpected combination of elements and the implied criticism of the target’s background. The historical context for such phrases likely lies in societal structures where lineage and religious adherence held significant social weight. Employing these questions rhetorically serves to undermine the perceived authority or status of the individual being addressed.