In an alternate universe, the Eighth Doctor stayed in San Francisco after the events of New Year's Eve 1999 and married Grace Holloway. He wore underpants with question marks on them. (COMIC: The Glorious Dead)
By the end of the Seventh Doctor's travels with Roz Forrester, there was a possible version of the Doctor that was "alive and well and living in San Francisco with his wife." (PROSE: So Vile a Sin)
When the Eighth Doctor was shown some of the other possible versions of himself in the multiverse by Esterath, he saw himself married to Grace. This Doctor was still settling into a domestic life and was preparing a schedule for his first semester of teaching at a university. He and Grace were also planning on having Alice and Ted over for dinner. (COMIC: The Glorious Dead)
