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Siol Alpin

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Siol Alpin is a family of seven Scottish clans that claim to trace their descent from Alpin, father of Cináed mac Ailpín, King of the Scots, then Picts, and of whom the Scots tradition considered the first King of the joint kingdom of Picts and Scots. The purpose of this research page is to compare the traditional claim and the documentary and genetic evidence that supports and/or refutes this tradition.

The seven clans that make up Siol Alpin are: Clan Grant, Clan Gregor, Clan MacAulay, Clan MacFie, Clan MacKinnon, Clan MacNab, and Clan MacQuarrie.[1]

Traditional Lineage Claims


Documented and Sourced Lineage

  • Dungaile of Strathclyde had a son, Girig[2]
    • Girig (also called Ciricius, Girig, or Girg) was the son of Dungaile (or Dungallus), grandfather of Run, king of the Britons of Strathclyde. He co-ruled or governed on behalf of Eocha, son of Run. He is said to have liberated the Scottish Church, and may be the same as Gregory the Great.[3] Skene states: there was no king Gregory and that the name referred to should be Cyric, debased to Girig. He further states there are two possible lineages; one in the Dean of Lismore's book that goes back to Kenneth MacAlpin and the other, in MS 1450 that goes back to Ferchar Fada of Lorn.[4][5] Girig, son of Dungaile, is credited with killing Aed, son of Cinaed mac Alpin, at the battle of Strathallan.[6] He became Eochaid's foster-father (tutor/guardian) upon the death of his father.[7] After ruling for twelve years, he died at Dundurn and is buried at Iona.[7] NOTE: There is no mention of the identity of his mother, or of a wife and children. Further research is required here.

Research Notes

  • Spontana, (according to Sir Robert Douglas in the Baronage of Scotland) was the wife of Dungaile; sister of Duncan, king in Ireland - Not confirmed Crawford-15512 15:17, 7 April 2021 (UTC)

Information moved from Doungallas

Note that this information comes from an unsourced family tree.

The Children of the Mist--- was officially recognized as Chief of the whole clan.

  1. The present chief of the Children of the Mist is Sir Gregor Mac Gregor of Mac Gregon, 6th Baronet and 23rd Chief of the Clan Gregor, who commands the 1st Battalion of Scots Guards.Above Notes from Larry Preston Foster, now deceased, co-author CHILDREN OF THE MIST.
Note: Clan MacGregor Tartan
Note: Clan MacGregor Crest
Source S2295565934
Repository: #R2295565933
Title: Ancestry Family Trees
Publication: Online publication - Provo, UT, USA: Ancestry.com. Original data: Family Tree files submitted by Ancestry members.
Repository R2295565933
Name: Ancestry.com
Address: http://www.Ancestry.com


  1. Siol Alpin; accessed 7 Apr 2021
  2. Dunbar, Sir Archibald Hamilton; Scottish kings; a revised chronology...; (Douglas; Edinburgh, 1899); pg. 280
  3. History of Clan Gregor, pg. 5
  4. Highlanders of Scotland, pg. 418
  5. History of Clan Gregor, pg 6
  6. Anderson, Allan Orr; Early Sources of Scottish History...; (Oliver and Boyd; Edinburgh, 1922); pg. 357
  7. 7.0 7.1 Anderson, Allan Orr; Early Sources of Scottish History...; (Oliver and Boyd; Edinburgh, 1922); pg. 364

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Please see a July 2021 paper presented by a Rob Spencer to the New York Genealogical and Biographical Society, entitled "Case Studies in Macro Genealogy", a PDF is available, I dont have the link for it however, in which he pulls off FTDNA pretty much all L1335 (perhaps includes L1065) and does a retrogression analysis of all the data, pointing to King Alpin , and increasing the number from 7 allleged clans of Siol Alpin to about 16 names - MAC
posted by [Living MacFarland]

Categories: Siol Alpin