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William Borthwick

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William Borthwick aka of Pilmuir and Maysheill
Born [date unknown] [location unknown]
Ancestors ancestors
[sibling(s) unknown]
Husband of — married [date unknown] [location unknown]
Husband of — married [date unknown] [location unknown]
Descendants descendants
Father of
Died before [location unknown]
Profile last modified | Created 5 Oct 2016
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British Aristocracy
William Borthwick was a member of aristocracy in the British Isles.
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William Borthwick of Pilmuir and Mayshiell was the son of Alexander Borthwick and Sibilla Cairns. He mar. (1) Marion Borthwick, dau. of James Borthwick of Stow, and (2) Marjory Steuart, dau. of Harie Steuart, brother of Sir Thomas Steuart of Grantully and (3) Eupheme Young.

Children of William Borthwick and Marion Borthwick:

  1. Mary Borthwick, mar. Sir Alexander Livingston of Glentirran
  2. Margaret Borthwick, mar. John Campbell of Knockreoch

Children of William Borthwick and Marjory Steuart:

  1. Capt Henry Borthwick of Pilmuir, later de jure 12th Lord Borthwick

Children of William Borthwick and Eupheme Young:

  1. Alexander Borthwick (dsp. and vp.)
  2. John Borthwick (bapt. 30 Jul 1648; dvp. young)
  3. Adam Borthwick (dsp. bef. 1689)
  4. Thomas Borthwick of Saltcoats (dsp. Nov 1672)
  5. Agnes Borthwick, mar. 22 Jun 1654 George Pringle, brother of James Hoppringle of Hoppringle
  6. Sibilla Borthwick (bapt. 7 Jul 1650)


"William Borthwick, of Pilmuir, de jure Lord Borthwick. He died before 23 Nov 1723"[1]


  1. The Complete Peerage of England Scotland and Ireland Great Britain and the United Kingdom, Cokayne, G.E., (London): 1912, p. 224
  • A Genealogical and Heraldic Dictionary of the Peerage and Baronetage; Burke, B., (London): 1880, Volume 42, Part 1, p. 137

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No known carriers of William's Y-chromosome or his mother's mitochondrial DNA have taken yDNA or mtDNA tests and no close relatives have taken a 23andMe, AncestryDNA, or Family Tree DNA "Family Finder" test.

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William is 24 degrees from Robin Helstrom, 25 degrees from Katy Jurado and 14 degrees from Victoria of the United Kingdom of Great Britain and Ireland on our single family tree. Login to find your connection.

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