Sylvia Noble (née Mott) was the daughter of Wilfred Mott, the wife of Geoff Noble, and the mother of Donna Noble. In 2007 she attended her daughter's fateful wedding to Lance Bennett. She did not believe Donna when she returned for the reception but was involved in the Robot Santa attack on the church. (DW: The Runaway Bride)
Subsequently, Donna lived back at home with her mother and her grandfather, Sylvia was shown to be trying to persuade Donna to get a job and find a place of their own. On a night out with her friends, one of them (Suzette Chambers) started to producing Adipose infants as do other customers, Sylvia was witness to the Nursery Ship picking up the infant creatures. (DW: Partners in Crime)
When Donna briefly returned to her family she opted not to tell Sylvia about travelling with the Doctor, Sylvia however met the Doctor again just before she saved her father from suffocating in the poisonous fog started by the Sonatarans. (DW: The Sontaran Stratagem/The Poison Sky.)