Companion (Doctor Who) companions too have been depicted in the revived era, such as Jo Grant (n/k/a Jo Jones)'s grandson Santiago Jones; and Sarah Jane Smith's parents, adopted son Luke Smith, adopted daughter Sky Smith, and alternate timeline fiancé Peter Dalton; and Alistair Lethbridge-Stewart's daughter Kate Stewart. Another change in the revived era is the depiction of many companions' pre-Doctor lives, particularly their childhoods; no companion was so depicted in the classic era, aside from John Benton being temporarily 'de-aged' by The Master. Companions Rose Tyler, Mickey Smith, Adelaide Brooke, Amy Pond, Rory Williams, River Song and Clara Oswald have all been portrayed
Companion (caregiving) clients or their families over the caregivers' activities and tasks. In the United States, the laws regulating companion care in private homes vary from state to state. Some states, such as Tennessee, require home care companies. Others do not. California currently does not provide any licensing nor any consumer protection regulatory oversight over in-home care companies unless those companies are also licensed as "home health agencies" that are specifically licensed to provide skilled nursing care in patients' homes. Companion (caregiving) In health care and caregiving, a companion, sitter, or private duty may be a nursing assistant or similar professional who