Born in 2381, Natasha Miana Riker-Troi was a 3/4-Human, quarter-Betazoid female who was the daughter of Deanna Troi and William T. Riker. She was named in honor of deceased USS Enterprise-D crewmember Natasha Yar and the deceased sister of Lieutenant Aili Lavena. (TTN novel: Over a Torrent Sea)