This is by no means 100% accurate and is a work in progress.
These are the owners of Nannau, it is not a direct family tree.

  1. Eleventh Century


    Cadwgan ap Bleddyn Born

  2. Twelfth Century


    Cadwgan ap Bleddyn built the Nannau house that was probably destroyed by Cromwell’s Troops c. 1401 (described as “the stateliest structure in all North Wales”.

    Killed by his Nephew in Welshpool c.1110.

    m. Gwenllian, daughter of Gruffydd at Cynan. Prince of North Wales (King of Gwynedd).

  3. Thirteenth Century


    Maddog
    1st Lord of Nannau

    m. Efa
    Daughter and heiress of Madoc ap Philip ap Uchdryd.

    Meurig
    Lord of Nannau

    m. Gwenlian
    Daughter and heiress of Ierwerth ap Peredyr ap Ednowain.

    Ynyr Hen

    b. c.1200 / d. c.1250

    m. Gwerfyl
    Daughter and heiress of Madog ap Llowarch Vychan ap Llowarch Goch.

    Ynyr Vychan
    Helped to capture the rebel Madog ap Llywelyn in 1295.

    m. Gwenhwyfar
    Daughter and heiress of Gruffydd ap Grono ap Einion at Seissyllt.

  4. Fourteenth Century


    Meurig ap Ynyr Fychan
    Meurig ap Ynyr Fychan
    Died 1350 - The 14th century Effigy in St. Marys Church, Dolgellau.

    MORE DETAILS

    m. Angharad

    Meuric Llwyd
    Died before 1400.

    m. Mallt
    Daughter of Howel.

    Howel Sele
    Died c.1401.

    m. Mali
    Daughter of Egnion

    MORE DETAILS

    His brother founded the family of Caerynwch.

    Meurig Vychan
    Aged two when his father was killed.
    Died between 1460 and 1480. Buried at Cymer Abbey.

    m. Angharad
    Buried at Cymer Abbey.

  5. Fifteenth Century


    Daffydd ap Meurig Vychan
    10th Lord of Nannau.
    d c.1494.
    Buried at Cymer Abbey.

    Bequeathed eight shillings and six pence for the building of Llanfachreth Church, and four nobles for the construction of St. Mary’s Church in Dolgellau.

    m. Ellen Salisbury
    Daughter of Hywel ap Rhys ap Dafydd, Lord of Rug.

    Hywel ap Daffydd ap Meurig Vychan
    b. c.1480 (a minor at the time of his fathers death).
    Died c.1540.

    m. Elin
    Daughter of Robert Salesbury

  6. Sixteenth Century


    Gruffydd Wyn Nanney
    b. 1536 / d. 1573

    m. Jane

    Daughter of Humphrey

    Hugh Nanney ‘Hen’
    12th Lord of Nannau
    b.1542 / d.1623
    High Sheriff of Merioneth (1587)

    MORE DETAILS

    m. Annes Vaughan

    d. 1627
    Daughter of Rhys Vaughan of Corsygedol

    Gruffydd Nanney, MP
    13th Lord of Nannau.
    b. 1568 / d. 1592

    m. Ellin
    Daughter of John Wynn ap Cadwaladr of Rhiwlas

    Hugh Nanney (The Younger)
    14th Lord of Nannau.
    b.1588 / d.1647

    High Sheriff of Merioneth (1627-38)

    Hugh’s sister Catherine married Robert Vaughan of Hengwrt (The Antiquarian) who’s collection of books are now in the National Library of Wales.

    m. Annes Vaughan
    Daughter of Gruffydd Vaughan of Corsygedol
    b. c.1584 / d. c.1632
    Annes Vaughan of Corsygedol

  7. Seventeenth Century


    Gruffydd Nanney
    Gruffydd Nanney
    15th Lord of Nannau.
    b. 1600 / d. 1655
    High Sheriff of Merioneth (1640-42)

    m. Mary Gwyn
    Daughter of Lewis Gwyn.

    See Art Page.

    Hugh Nanney
    16th Lord of Nannau.
    b. circa1630 / d. after 1667

    m. Jonet Salusbury
    b. c.1630

    Col. Hugh Nanney, MP
    Catherine Vaughan
    Col. Hugh Nanney, MP
    17th Lord of Nannau.
    b. 1669 / d. 1701

    MP for Merioneth (1695-1701)
    High Sheriff of Merioneth.
    Vice-Admiral of North Wales.
    Knight of the Shire (three times)
    Colonel of a Regiment of Militia (which he raised himself).

    m. Catherine Vaughan
    Daughter of William Vaughan of Corsygedol
    b. c.1659 / d. 1733

    See Art Page

    Janet Nanney
    Janet Nanney
    b. 1692 / d. 1728

    m. Robert Vaughan
    of Hengwrt Uchaf.
    b. 1695 / d. 1749

    High Sheriff of Merioneth

  8. Eighteenth Century


    Hugh Vaughan
    Hugh Vaughan
    d. 1783
    High Sheriff of Merioneth.

    He left Nannau to his Brother, Howell.

    See Art Page

    Robert Howell Vaughan
    Anne Williams
    Robert Howell Vaughan (The Brother of Hugh)
    Made a Baronet in 1791
    b. 1723 / d. 1792
    Practising surgeon at Dee Bank in Chester.

    See Art Page.

    m. Anne Williams
    b. c.1731 / d. 1791

    See Art Page.

    Robert Williames Vaughan
    Robert Williames Vaughan
    Second Baronet
    b. 1768 / d. 1843
    MP from 1792-1836.

    MORE DETAILS / FUNERAL DETAILS

    m. Anna Maria Mostyn
    Daughter of Sir Roger Mostyn, 5th Baronet.
    b. 1777 / d. 1858

  9. Nineteenth Century


    Robert Williames Vaughan
    Robert Williames Vaughan
    Third Baronet
    b. 1803 / d. 1859

    MORE DETAILS

    m. Frances Margaret Lloyd (of Mostyn).
    b. 1810 / d. 1858

    Thomas Pryce Lloyd
    Hon. Thomas Pryce Lloyd of Pengwern, Flintshire.
    One of the sons of the first lord Mostyn. Inherited Nannau for Life.

    b. 1800 / d. 1874

    John Vaughan
    Ellinor Anne Owen
    John Vaughan
    …of Chilton Grove, Shropshire.

    b. 1829 / d. 1900

    High-Sheriff of Merioneth in 1880.
    A member of the Dolmelynllyn branch of the Hengwrt family. Took over Nannau in 1874.

    He was responsible for building the school at Llanfachreth and also gave a 10% rent rebate to his tenants.

    m. Ellinor Anne Owen
    b. 1832 / d. 1917

    The estate passed to his wife when he died in 1900 and she ran it until her death in 1917.

    Major-General John Vaughan
    Major-General John Vaughan
    b. 1871 / d. 1956

    MORE DETAILS

    m. Louisa Evelyn in 1913

  10. Twentieth Century


    WWI

    Nannau was secured as an officer’s neurological hospital in World War One.

    Read the Letters Home of Lt. E. Trevor Evans, R.F.C., R.A.F.

    WWII

    Bedgebury Park School for Girls, in Kent, was evacuated to Nannau during World War Two (on May 24th, 1940).

    Information courtesy of Alan S. Nipper: “This private school for girls moved to Wales in 1940, returning to Goudhurst, Kent in 1945. The school was founded in 1920 and closed circa 2002. I believe the younger pupils were housed in Llanelltyd . They and the seniors were also given facilities at Dr Williams School.”

    SCHOOL WEBSITE.

    Brigadier Charles Hilary Vaughan Pritchard
    b. 1905 / d. 1976

    m. Mary Patricia Monck in 1935.
    Daughter of Hon. Charles Henry Stanley Monck
    b. 1911 / d. 1996

    Nannau Was Sold and Left The Family After Brigadier Vaughan Died.

  11. 1999