BBC period drama The Other Bennet Sister had viewers glued to their screens, becoming the biggest launch for a new drama in the UK since May last year across all platforms and streamers.After confirming a Christmas special, the broadcaster has now confirmed the commission of a ten-part series titled The Other Elliot Sister, which will follow the life of the eldest sister of Jane Austen's classic novel Persuasion.The series will begin production next year by Bad Wolf and BritBox North America.