Theresa Jane Kerr, Dowager Marchioness of Lothian, Baroness Kerr of Monteviot, 16th Lady Herries of Terregles (néeFitzalan-Howard; born 24 January 1945) is a British aristocrat and philanthropist. She is the widow of the 13th Marquess of Lothian. In 2017, she inherited the Scottish title Lady Herries of Terregles from her sister, Mary, thus making her and her husband one of few couples who each hold a hereditary peerage in their own right.
Lady Sarah Margaret Kerr (born and died 13 June 1976)
Lady Clare Therese Kerr (born 25 January 1979); married Nick Hurd in 2010, had issue:
Leila Rose Hurd (born 17 May 2012)
Caspar Jamie Hurd (born 30 September 2014)
Lady Mary Cecil Kerr (born 28 May 1981); married Zackary Adler on 28 May 2016, had issue:
Ocean Jude Adler (born 26 May 2022)
In 2017, on the death of her elder sister, she inherited the ancient Scottish peerage, the Lordship of Herries of Terregles, which her father had inherited from his mother, Gwendolen, Duchess of Norfolk (and 12th Lady Herries of Terregles).[4] Her eldest surviving daughter, Lady Clare, is her heiress presumptive. Lady Lothian is a patron of the Right to Life Trust and a patroness of the Royal Caledonian Ball.[6][7]