Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 09-30-2024.

Submitted and Maintained by Bill Marshall, bill.marshall@verizon.net.


Additions and corrections appreciated (especially with sources). My current list of sources is here. Homepage here.

Index of Medieval and Ancient Lines is here, notable people here, and Gedcom available to be downloaded.

Index of Modern Lines (immigrants to America and their descendants) is here, notable people here, and Gedcom here.


Individual Page

    Person Info
  • Name: Thomas ISAAC
  • Sex: M
  • Death: After Nov 1364 d


    • Parents:

Family:
Marriage: Children:
  1. Joanna ISAAC Birth: Abt 1340 Death: After 12 Jul 1377
  2. Catharine ISAAC Birth: 2 Death: Sterling, Dunbar

Bibliography
  1. Burke, Sir John Bernard, Genealogical and Heraldic History of the Peerage Baronetage and Knightage. 99th edition. London: Burke's Peerage, 1949. Available at http://archive.org/details/burkesgenealogic1949unse. Information from this source tagged as [Ref: Burke Peerage [cx0-9]*].
  2. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 08, Lindley-Moate. London: St Catherine Press, 1932. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP VIII [Ap][p0-9].*].
  3. Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. II: Die Ausserdeutschen Staaten Die Regierenden Hauser der Ubrigen Staaten Europas. Marburg: Verlag von J. A. Stargardt, 1984. Information from this source tagged as [Ref: ES II #[0-9]*].
  4. Paget, Gerald, The Lineage and Ancestry of H.R.H. Prince Charles, Prince of Wales. London: Charles Skilton Ltd, 1977. Nypl ARF+ 78-835. Information from this source tagged as [Ref: Paget HRHCharles p[0-9]*].
  5. Richardson, Douglas, Royal Ancestry. Salt Lake City, Utah: Douglas Richardson, 2013. NYPL JFF 16-1184 v1-5 Information from this source tagged as [Ref: Richardson RoyalAnc v1[pc][0-9]*].
  6. Richardson, Douglas, Royal Ancestry. Salt Lake City, Utah: Douglas Richardson, 2013. NYPL JFF 16-1184 v1-5 Information from this source tagged as [Ref: Richardson RoyalAnc v5p[0-9]*].
  7. Roberts, Gary Boyd, The Royal Descents of 600 Immigrants to the American Colonies or the United States: who were themselves notable or left descendants notable in American history, with a 2008 Addendum, Coda, and Final Additions. Baltimore, MD: Gen Pub Co, 2008. NYPL APK 08-4216. Information from this source tagged as [Ref: Roberts RD600 p[0-9]*].
  8. Paul, Sir James Balfour, Scots Peerage: founded on Wood's edition of Sir Robert Douglas's peerage of Scotland; containing an historical and genealogical account of the nobility of that Kingdom. Edinburgh: David Douglas, 1904. NYPL ARO (Scots Peerage) (too fragile to copy). Available at https://familysearch.org/search/catalog/216265. Information from this source tagged as [Ref: SP I p[0-9]*].
  9. Paul, Sir James Balfour, Scots Peerage: founded on Wood's edition of Sir Robert Douglas's peerage of Scotland; containing an historical and genealogical account of the nobility of that Kingdom. Edinburgh: David Douglas, 1904. NYPL ARO (Scots Peerage) (too fragile to copy). Available at https://familysearch.org/search/catalog/216265. Information from this source tagged as [Ref: SP V p[0-9]*].
  10. Sheppard, Walter Lee, Royal Bye-Blows III: Illegitimate Descendants of the Scottish Kings to James VI, in NEHGR v122 (Oct 1968) pp265-274. Available at http://americanancestors.org/databases/new-england-historical-and-genealogical-register/image Information from this source tagged as [Ref: Sheppard RoyalByeBlowsIII p[0-9]*].
  11. Thompson, Neil D, and Hansen, Charles M, Medieval Heritage: The Ancestry of Charles II, King of England, The Genealogist, 2:157-68, 3:25-44, 3:175-94, 4:144-58, 5:64-72, 5:226-39, 6:100-3, 6:148-65, 7-8:137-43, 9:40-4, 10:73-85, 11:63-72, 11:184-93, 12:83-90, 12:250-6, 13:92-9, 13:252-6, 14:81-4, 14:207-10, 15:99-103, 15:220-4, 16:93-8, 16:227-31, 17:61-4, 17:250-5, 18:123-7, 18:228-31, 19:62-8, 19:251-5, 20:85-8, 20:184-90, 21:71-5, 21:250-4, 22:101-6, 22:186-91, 23:73-9, 23:203-8, 24:110-27, 24:239-54, 25:56-73, 25:214-32, 26:77-101, 26:202-26, 27:189, 28:90, 33:300. NYPL APA 82-1000. Available at https://www.americanancestors.org/databases/genealogist-the/image/. Reprinted, with further corrections, as Thompson, Neil D, and Hansen, Charles M, The Ancestry of Charles II, King of England: A Medieval Heritage. Saline, Michigan: McNaughton & Gunn, 2012. NYPL ARF 13-5787. Information from this source tagged as [Ref: Thompson CharlesII v[0-9]*-[0-9]*].

Sources for death Information
date:
after Nov 1364 [Ref: Thompson CharlesII v12-251]
living Nov 1364 [Ref: Richardson RoyalAnc v5p39]
Sources with Information about marriage to Mathilda De BRUS
date:
after Jun 1342 [Ref: Richardson RoyalAnc v5p39, Thompson CharlesII v12-251],
names:
[Ref: ES II #92, Paget HRHCharles p158, Richardson RoyalAnc v1p607],
child:
[Ref: Burke Peerage cclxxxviii, CP VIII p143, Richardson RoyalAnc v5p39, Roberts RD600 p258, SP I p8, SP V p2, Sheppard RoyalByeBlowsIII p267, Thompson CharlesII v12-251(45), Thompson CharlesII v12-251]
Research Notes:
of Fortmartine and Kintore, Aberdeenshire [Ref: Richardson RoyalAnc v1p607]

Jun 1342: received a royal charter an annuity of 6 pounds 13s 4d [Ref: Thompson CharlesII v12-251]

16 Mar 1358/9: held half the thanage of Fermartin and Kintore [Ref: Thompson CharlesII v12-251]

called in a chronicle "a certain squire" [Ref: Thompson CharlesII v12-251]



Pedigree of Thomas ISAAC
Thomas ISAAC



Descendants of Thomas ISAAC
1. Thomas ISAAC m. Mathilda De BRUS
m. Mathilda De BRUS father: Robert De BRUS, King Of Scots mother: Elizabeth De BURG

2nd generation

2. Joanna ISAAC m1. John De ERGADIA, Lord Of Lorn m2. Sir Malcolm FLEMING
m. John De ERGADIA, Lord Of Lorn father: John Of Argyll, Lord Of Lorn
m. Sir Malcolm FLEMING father: Sir Patrick FLEMING mother: Joanna FRASER

3rd generation

4. Isabel Of Argyll m. Sir John STEWART
m. Sir John STEWART father: Sir Robert STEWART
5. Jonet De ERGADIA m. Sir Robert STEWART
m. Sir Robert STEWART father: Sir Robert STEWART

4th generation

6. Robert STEWART, Lord Lorn m. Joan STEWART
m. Joan STEWART father: Robert STEWART, Earl Of Fife, Duke Of Albany mother: Margaret GRAHAM, Countess Of Menteith
8. Sir James STEWART, Black Knight Of Lorn m. Joan De BEAUFORT
m. Joan De BEAUFORT father: John De BEAUFORT, K.G., Marquess of Somerset mother: Margaret HOLAND
12. Isabel STEWART m1. Sir William OLIPHANT m2. Sir David MURRAY
m. Sir William OLIPHANT father: Sir John OLIPHANT
m. Sir David MURRAY father: Walter MURRAY mother: Margaret Le BARDE
13. Jean STEWART m. Sir David BRUCE
m. Sir David BRUCE father: Sir Robert De BRUS mother: (Unk) SCRIMGEOUR
14. Isabel STEWART m. Sir Robert De BRUYS
m. Sir Robert De BRUYS father: Thomas De BRUS mother: Marjorie CHARTERIS

5th generation

16. John STEWART, Lord Lorn m. Fingula Of The Isles
m. Fingula Of The Isles
17. Walter STEWART, Lord Innermeath m. Margaret LINDSAY
m. Margaret LINDSAY father: Sir John LINDSAY, Lord Lindsay Of The Byres mother: (Unk Dau) STEWART
20. Robert STEWART m.
21. (Unk Dau) STEWART m. Sir John LINDSAY, Lord Lindsay Of The Byres
m. Sir John LINDSAY, Lord Lindsay Of The Byres father: Sir William LINDSAY mother: Christiana KEITH
22. (Unk Dau) STEWART m. Sir Robert ERSKINE, Lord Erskine
m. Sir Robert ERSKINE, Lord Erskine father: Sir Thomas ERSKINE mother: Janet KEITH
23. Sir John STEWART, Earl Of Atholl m1. Margaret DOUGLAS, Countess Of Douglas m2. Eleanor SINCLAIR
m. Margaret DOUGLAS, Countess Of Douglas father: Archibald DOUGLAS, Earl Of Douglas mother: Eupheme GRAHAM
m. Eleanor SINCLAIR father: William SINCLAIR, Earl Of Orkney And Caithness mother: Marjorie SUTHERLAND
24. Sir James STEWART, Earl Of Buchan m1. Margaret (MURRAY) m2. Margaret OGILVY
m. Margaret (MURRAY)
m. Margaret OGILVY father: Sir Alexander OGILVY
27. Sir John OLIPHANT m1. Margaret OGILVY m2. (Unk Dau) HOME
m. Margaret OGILVY father: Patrick OGILVY mother: Christian KEITH
m. (Unk Dau) HOME father: Sir Thomas HOME mother: Nichola
28. Sir David MURRAY m. Margaret COLQUHOUN
m. Margaret COLQUHOUN father: Sir John COLQUHOUN mother: Jean ERSKINE
29. John BRUCE m. Elizabeth STEWART
m. Elizabeth STEWART father: Sir David STEWART
32. Sir Edward De BRUYS m. Agnes AIRTH
m. Agnes AIRTH father: Sir William AIRTH
33. Sir Robert De BRUS m1. (Unk) SCRIMGEOUR m2.
m. (Unk) SCRIMGEOUR father: Sir John SCRIMGEOUR