Considering that the Exodus is the central event in Israel’s sacred history, Egyptian Revival has always struck old Pa Pitt as an odd choice of styles for a Jewish cemetery. But with this particular mausoleum he can see the appeal. “You think you’re a god-king, Pharaoh? Well, how would you like to be a door handle for the rest of eternity? What do you think of that, Mr. Bricks-Without-Straw?”
A thorough history of the Sunsteins and Speyers is in the Jewish Encyclopedia of Western Pennsylvania.