Curt Hofemann, in a post-em, indicates many people have doubts about Sprota's noble birth:
Sprota [Ref: ES III:694A] note: I have numerous notes on her (lack of) ancestry which I think I've previously provided. If I've not, let me know & I will gladly share them... Curt
Raoul/Rudolf/Ralph, count of Ivry, is the uterine brother of Richard I of Normandy, son of William. ("This was given by Dudo based on information supplied to him by Raoul himself, so is perfectly reliable", as Todd's mentioned.) But my understanding has always been that Raoul was the son of Sprota/Esporta de Bretagne/Senlis not by William Longsword but by Asperling/Esperlingus/Eperling. [Ref: Christopher Nash message to Gen-Medieval 15 Apr 2002 discussing an error in KSB Keats-Rohan's Domesday People. TAF (Todd A Farmerie) in response confirmed the above] note: she was NOT de Senlis and as far as "de Bretagne" see below... Curt
While this speculation is certainly possible, the alternative is likewise possible, that being that she was just some cute looking Breton peasant that William took a liking to. That, however, provides no opportunity for further genealogical research, so tends to pale in comparison to the possibility of attaching her to some noble house. My gut reaction is that, considering her son Ralph (d'Ivry) was one of the main sources of the norman historian Dudo, yet no such important connection was mentioned, she likely did not have any hereditary recomendations (sic) when chosen by Longsword. [Ref: TAF 9 Dec 2002]
Regards,
Curt