About Sophia Campbell (Lindsay)
From Darryl Lundy's Peerage page on Lady Sophia Lindsay:
Lady Sophia Lindsay 
- F, #20860,
- d. 1698
- Last Edited=19 Feb 2011
- Consanguinity Index=6.83%
Lady Sophia Lindsay married Colonel Hon. Charles Campbell, son of Archibald Campbell, 9th Earl of Argyll and Lady Mary Stuart, in 1678.
She died in 1698.
She was the daughter of Alexander Lindsay, 1st Earl of Balcarres and Lady Anne Mackenzie.
Her married name became Campbell.
- 1. [S8] Charles Mosley, editor, Burke's Peerage and Baronetage, 106th edition, 2 volumes (Crans, Switzerland: Burke's Peerage (Genealogical Books) Ltd, 1999), volume 1, page 105. Hereinafter cited as Burke's Peerage and Baronetage, 106th edition.