Retcon article
(covers information that was retroactively changed)

O'Reilley's name on the computer readout
Walter O'Reilley was a Human who was kin to descendants of Clare Raymond.
O'Reilley's name was displayed on a computer readout of the Raymond family's genealogy, along with others such as Charles E. Winchester, Sherman T. Potter, Frances J. Mulcahey, and Margaret Houlihan. (TNG: "The Neutral Zone", okudagram)