Rita-Anne Smith (Pete's World)

Rita-Anne was the grandmother of Ricky Smith, who took him in as a child when his father left him.

Biography
In the primary universe, Mickey Smith's grandmother broke her neck after tripping on the carpet Mickey forgot to fix. (DW: The Age of Steel) However, on a parallel Earth, he discovered her to still be alive.

Rita-Anne had a tense relationship with her grandson, as she did not approve of his running off with the Preachers. When the Cybermen began to summon the humans for upgrades, she was one of those summoned, but she was not upgraded. The death of Ricky Smith left her with no one to take care of her, which was a major deciding factor in Mickey deciding to stay on the parallel Earth. (DW: The Age of Steel)

Rita-Anne came to live in a mansion, where she eventually passed away peacefully. Just as her survival helped Mickey decide to stay on the parallel world, her death ultimately inspired him to return to his original Earth when the opportunity arose. (DW: Journey's End)