The Crystalline Entity and Lore = Sarjenka and Data 

TNGLoreDataSarjenkaThe Crystalline EntityThere's not one canon source as to how the fuck Lore got in touch with the crystalline entityI also went down a memorybeta rabbit hole that includes a short story from SNW II in 1995that has a 44th Century Data become the Lore we see in Brothers and Real Lore shut himself down while floating in space