Ever thought it's hard to keep up with who's who in Lord Grantham's household? Wonder no more, as we bring you the definitive 'Downton Abbey' Crawley family tree..
From the Dowager down to baby Sybil, see how all the family are connected, including Lady Mary who ended up marrying her cousin Matthew.
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Downton Abbey Series 4 is out now on DVD and Blu-ray. Details of the show's Christmas special have also just been revealed, click here to read more.