Family: 8th Earl of Eglinton Alexander Montgomerie / Lady Elizabeth Crichton (F19206)
m. Jan 1658
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Male
8th Earl of Eglinton Alexander Montgomerie
Birth 1638 Leslie, Fife, Scotland 
Death 1701 London, England Burial Marriage Jan 1658 [1, 2, 3] Sanquhar, Dumfries-shire, Scotland [1, 2, 3] Other Spouse Grace Popley | F58493 Marriage Abt 1670 Other Spouse Catherine St Quentin | F58492 Marriage 1698 Father 7th Earl of Eglinton Hugh Seton Montgomerie | F19176 Group Sheet Mother Countess of Eglinton Mary Leslie | F19176 Group Sheet
Female
Lady Elizabeth Crichton
Birth 1632 Sanquhar, Dumfries-shire, Scotland Death 5 Dec 1675 Scotland Burial Father Mother
Male
+ 9th Earl of Eglinton Alexander Seton Montgomerie
Birth 1660 Londonderry, Northern Ireland Death 18 Feb 1729 Kilwinning, Ayrshire, Scotland Burial 1729 Kilwinning, Ayrshire, Scotland Spouse Margaret Cochrane | F19207 Marriage 6 Dec 1676 Ayrshire, Scotland Spouse Lady Anne Gordon | F19209 Marriage 4 Feb 1698 Kilwinning, Ayrshire, Scotland Spouse Susanna Kennedy | F19208 Marriage 19 Jun 1709 Kilwinning, Ayrshire, Scotland
Female
Lady Mary Montgomerie
Birth 1671 Kilwinning, Ayrshire, Scotland Death Apr 1742 Edinburgh, Midlothian, Scotland Burial 1742 Abbey of Holyrood, Edinburgh, Midlothian, Scotland Spouse 4th Baronet of Lochnaw Agnew James Agnew | F19689 Marriage 15 Sep 1683 Kilwinning, Ayrshire, Scotland
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Sources - [S3150] Debrett's Peerage of the United Kingdom, (Name: G Woodfall; Location: London, England; Date: 1828;), 17th Edition in Two VolumesPages 486-488Earl of Eglinton.
Debrett_s_Peerage_of_england_scotland_an.pdf - [S3186] Hill, Rev George, Editor, Montgomery Manuscripts_WmMont of Rosemount, (Name: James Cleeland; Location: Belfast; Date: Jan 1869;), Pages 001-015Chapter IMontgomery, William of Rosemont (1633-1707).
The Montgomery Manuscripts (1603-1706) Compiled from Family Papers by William Montgomery of Rosemount
The_Montgomery_manuscripts_1603_1706.pdf
Book found at Internet Archive
Book found at FamilySearch
https://www.familysearch.org/library/books/records/item/472506-the-montgomery-manuscripts-1603-1706 - [S5243] thePeerage.com, (Name: thePeerage.com;), Montgomerie, Alexander (1638-1701) #21431http://thepeerage.com/p2144.htm#i21431Accessed KRM 7 Sep 2025 7:56pm.
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http://thepeerage.com/p2176.htm#i21755
- [S3150] Debrett's Peerage of the United Kingdom, (Name: G Woodfall; Location: London, England; Date: 1828;), 17th Edition in Two VolumesPages 486-488Earl of Eglinton.