So, Tomas was more specifically identified as TOMAS Z XXXXX where XXXXX was the location of his estate. TOMAS Z RYBOWO {Tomas from his estate at Rybowo) by example. This was fine for a period of time until the inconvenient truth became known. .... Rakowski is patronymic from Rak or toponymic from Raki, Rakowo, Rakowa, Rakówka. There is no slightest fonetical path to draw it from Racowie, sorry. you are maybe right but still, fact is that many Poles have some Racowie ...