

But realising that Comstock's prophecy - "The Seed of the Prophet shall sit the throne and drown in flame the mountains of man" - would come true, they turned against him. They devised the plan to take Booker's daughter through another reality, under the pretence that he was 'selling' her to wipe away his gambling debts. Initially, the Luteces were working for Comstock. Together, they're incredibly powerful, and able to travel between universes freely. During her experiments she met a male version of herself from another universe, Robert, whom she refers to as her 'brother'.

She was a physicist, and developed the technology that allows Columbia to float. "What separates us now but a single chromosome?" asks Rosalind in a Voxophone found in Emporia. The Lutece twins are, in fact, the same person.
