Alternate timeline(covers information from an alternate timeline)
In an anti-time future, Alandra La Forge was the daughter of Geordi La Forge and Dr. Leah Brahms.
Her siblings were Bret La Forge and Sidney La Forge. Jean-Luc Picard inquired about her and her siblings when he reunited with Geordi around 2395. (TNG: "All Good Things...")
This character was only mentioned in dialogue.