Family: Lord Montgomery Archibald Montgomerie / Lady Mary Montgomerie (F4931)
m. 29 Mar 1803-
Male
Lord Montgomery Archibald Montgomerie
Birth 30 Jul 1773 Irvine, Ayrshire, Scotland 
Death 4 Jan 1814 Alicante, Pais Valenciano, Spain Burial Marriage 29 Mar 1803 [1, 2, 3, 4] Westminster, London, England [1, 2, 3, 4] Father 12th Earl of Eglinton Hugh Montgomerie | F2883 Group Sheet Mother Countess of Eglinton Eleanora Hamilton | F2883 Group Sheet
Female
Lady Mary Montgomerie
Birth 6 Mar 1787 Kilwinning, Ayrshire, Scotland Death 12 Jun 1848 London, England Burial 17 Jun 1848 Other Spouse 2nd Baronet Burges Charles Montoliue Lamb | F4933 Marriage 28 Jan 1815 Edinburgh, Midlothian, Scotland Father 11th Earl of Eglinton Archibald Montgomerie | F4932 Group Sheet Mother Frances Twysden | F4932 Group Sheet
Male
+ 13th Earl of Eglinton Archibald William Montgomerie
Birth 29 Sep 1812 Palermo, Sicilia, Italy Death 4 Oct 1861 London, England Burial 11 Oct 1861 Kilwinning, Ayrshire, Scotland Spouse Theresa Newcomen | F4934 Marriage 17 Feb 1841 Lambeth Kennington, London, England Spouse Countess of Eglinton Adela Caroline Harriett Capel | F4936 Marriage 3 Nov 1858 Dublin, Dublin, Ireland
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Sources - [S323] thePeerage.com, (Name: thePeerage.com;), Montgomerie Archibald #021569 http://thepeerage.com/p2157.htm#i21569.
- [S323] thePeerage.com, (Name: thePeerage.com;), Montgomerie Mary #021567 http://thepeerage.com/p2157.htm#i21567.
- [S3685] Paul, Sir James Balfour, The Scots Peerage, (Name: David Douglas; Location: Edinburgh, Midlothian, Scotland; Date: 1906;), Eglinton, Montgomerie, Earl of Vol III XI Archibald Pages 459-460.
Book Found on Internet Archive
https://archive.org/details/scotspeeragefoun03pauluoft/page/n6
https://archive.org/details/scotspeeragefoun03pauluoft/page/n6 - [S277] Debrett's Peerage of the United Kingdom, (Name: G Woodfall; Location: London, England; Date: 1828;), 17th Edition in Two Volumes Pages 486-488 Earl of Eglinton.
Debrett_s_Peerage_of_england_scotland_an.pdf
- [S323] thePeerage.com, (Name: thePeerage.com;), Montgomerie Archibald #021569 http://thepeerage.com/p2157.htm#i21569.