Lady Lilias Kerr (died 1659) (d. 1659) Parents Mark Kerr, 1st Earl of Lothian Margaret Maxwell Children John Borthwick, 9th Lord Borthwick Margaret Borthwick James Borthwick Siblings Robert Kerr, 2nd Earl of Lothian Lady Elizabeth Kerr Lady Isabel Kerr Sir Mark Kerr Lady Margaret Kerr Sir William Kerr Lady Jean Kerr Lady Janet Kerr Partners John Borthwick, 8th Lord Borthwick