^ abcdeMilevsky (2017) p.22 "...Downton Abbey, one of the main characters is Robert Crawley, the 7th Earl of Grantham, which you will note is rank number three in nobility. His (fictitious) father would have been the 6th Earl of Grantham, his grandfather 5th, and so on."[familytree 9]
^Joseph (2016) p.31 "[M]aggie Smith plays Violet Crawley, the Dowager Countess and matriarch of the Crawley family..." "Cora, suggests to Violet's granddaughter Mary, that Mary pursue and marry the new heir..."[familytree 1]
^ abFellowes et al. (2012) p. 99–111 "Mrs Isidore Levinson. Mother of the Countess of Grantham" "Martha is rich". "Even Martha's own daughter does not seem entirely comfortable around her. Cora is not exactly cowed by her mother, but..."[familytree 2]
^ abFellowes (2015) p. 234 "Not only was Isobel's late husband, Reginald Crawley, a doctor, but she herself had training as a nurse." "She comes from a proud line of medical practitioners – her father, Sir John Turnbull was a surgeon". [familytree 4]
^ abBarkman et al. (2015) p.57 "Matthew's mother, Mrs Crawley, is an altogether contrary study in manners and respect."[familytree 3]
^ abEditors of LIFE (2016) p. 11 "Because Lord Grantham has no male heirs, upon his death the estate and title are set to fall to his cousin, James Crawley. However, James's son Patrick, is meant to marry Mary, which will keep the estate in Robert's family"[familytree 5]
^Irwin (2016) p. 35 "Mary's Aunt, the Lady Rosamund Painswick, obtains information on Lavinia..."[familytree 6]
^Fellowes - 2015 - p. 445 "The older sister of Robert, Rosamund, lives in London in the house she inherited from her late husband, Sir Marmaduke Painswick."[familytree 7]
^Fellowes (2011) p.12-17 "Robert the Earl of Grantham"[familytree 8]
^ abcFellowes et al. (2012) p.10 "Lord Grantham – Robert – ...as the 7th Earl of Grantham." "The next in line (a first cousin) was lost on the Titanic, leaving a distant, unknown, middle-class relative – Matthew Crawley – as heir" "The American heiress he married was, of course, Cora..."[familytree 10]
^Morrow (2012) p.237 "Lady Mary. Lady Mary Josephine Crawley, eldest daughter of Lord and Lady Grantham of the hit British television series, Downton Abbey.."[familytree 11]
^ abcFellowes (2015) p.102 "Master George, the son of Mary and the late Matthew; Miss Sybbie; the daughter of Tom and the late Sybil; and Miss Marigold, the daughter of Edith and the late Michael Gregson"[familytree 12]