Foon Van Hoff
From Tardis Wiki, the free Doctor Who reference
Foon Van Hoff was a near-human from Sto, and married to Morvin Van Hoff. She and Morvin boarded the Titanic and befriended The Doctor, and survived when the ship was hit by asteroids. When Morvin died, she couldn't go on. She sacrificed herself as well, by tieing one Host up and jumping into the engine with it. (DW: Voyage of the Damned)