The family tree use to be on my website but no longer.
Here is the Ducal family.
1. Clement Stacpoole, transplanted from limerick to co Clare by Cromwell, married 1652 to Ellis MacMahon, with issue.
1.1. George Stacpoole of Mill Street, Ennis, co Clare, Merchant, married 1697 to Bridget Woulfe, with issue.
1.1.1. John Stacpoole, of Cragbrien Castle, co Clare, (1674 - 1771), married to Barbara Purdon, dsp.
1.1.2. Francis Stacpoole of Cork, Ireland, (d. 1757), married 1725 to Catherine Ronayne, with issue.
1.1.2.1. Francis Stacpoole, (1733 - 1769), dunm.
1.1.2.2. George Stacpoole, of Violet Hill, Dublin, Cragbrien Castle, co Clare, Ireland, (1736 - 1848), Comte de Stacpoole by King Louis XVIII of France on 21 July 1818, married Catherine Gingell, with issue.
1.1.2.2.1. Richard de Stacpoole, (1787 - 1848), 2nd Comte de Stacpoole, created Marchese 21 Feb 1826 by Pope Leo XII, Duca May 1831 by Pope Gregory XVI., married to Elizabeth Tulloch, with issue.
1.1.2.2.1.1. Richard de Stacpoole, (1828 - 1978), 3rd Comte de Stacpoole, 2nd Marchese e Duca Stacpoole, dsp.
1.1.2.2.1.2. Comte Rev. George Marie Stanislaskoska de Stacpoole, (1829 - 1909), 4th Comte de Stacpoole, 3rd Marchese e Duca Stacpoole, Domestic Prelate by Pope Pius IX, married 1859 to Maria Dunn, with issue.
1.1.2.2.1.2.1. George de Stacpoole, (1860 - 1929), 5th Comte de Stacpoole, 4th Marchese e Duca Stacpoole, married 1883 to Pauline Mary MacEvoy., with issue.
1.1.2.2.1.2.1.1. George Edward Joseph Patrick de Stacpoole, (1886-1965), 6th Comte de Stacpoole, 5th Marchese e Duca Stacpoole, married 1915 to Eileen Constance Palmer, with issue.
1.1.2.2.1.2.1.1.1. George Geoffrey Robert de Stacpoole, (1917 - 2005), 7th Comte de Stacpoole, 5th Marchese e Duca Stacpoole, married 1947 to Dorothy Anne Dease, with issue.
1.1.2.2.1.2.1.1.1.1. George Richard Derek de Stacpoole, (1948 -., 8th Comte de Stacpoole, 6th Marchese e Duca Stacpoole, married 1982 to Anne L. Duxbury, with issue.
1.1.2.2.1.2.1.1.1.1.1. Comte George Edward de Stacpoole, (1983 -.
1.1.2.2.1.2.1.1.1.1.2. Comtessa Serena de Stacpoole, (1986 -.
1.1.2.2.1.2.1.1.1.1.3. Comtessa Erris de Stacpoole, (1988 -.
1.1.2.2.1.2.1.1.1.2. Comte David Henry Olivier de Stacpoole, (1951 -., married to Venetia Jane M. Bratby, with issue.
1.1.2.2.1.2.1.1.1.2.1. Comte Thomas Henry de Stacpoole, (1986 -.
1.1.2.2.1.2.1.1.1.2.2. Comte Harry Thadeus de Stacpoole, (1988-.
1.1.2.2.1.2.1.1.1.2.3. Comte Hugo Malachy de Stacpoole, (1992 -.
1.1.2.2.1.2.1.1.1.2.4. Comtessa Rosanagh Tara de Stacpoole, (1983 -.
1.1.2.2.1.2.1.1.1.3. Comtessa Valerie Brigid Dorothy de Stacpoole, (1950-, married 1973 to Jeremy Whichcote Phillips Richardson.
1.1.2.2.1.2.1.1.2. Comte Peter Andrew James de Stacpoole, (1924 -, married 1956 to Flavia Dorothy Farrell, with issue.
1.1.2.2.1.2.1.1.2.1. Comtessa Daphne Feridah de Stacpoole, (1958 -.
1.1.2.2.1.2.1.1.3. Comtessa Iris Constance Kathleen de Stacpoole, (1920 -, married 1947 to Major Henry Southey Eric Harben.
1.1.2.2.1.2.1.1.4. Comtessa Clare Mary Pauline de Stacpoole, (1924 -, married 1946 to Major Patrick Leslie Rome, MMC, DLI.
1.1.2.2.1.2.1.2. Comte Edward Hubert Michael de Stacpoole, (1888 - ), MC., married 1922 to Millicent Lavender Norska Francis, with issue.
1.1.2.2.1.2.1.2.1. Comte Robert George Francis de Stacpoole, (1924 -2016), married 1958 to Susan Mary Angela Trouncer, with issue.
1.1.2.2.1.2.1.2.1.1. Comte Nicholas Edward Ivan de Stacpoole, (1963 -.
1.1.2.2.1.2.1.2.1.2. Comtessa Virginia Anne Julia de Stacpoole, (1960 -.
1.1.2.2.1.2.1.2.1.3. Comtessa Auriol Marion Gabrielle de Stacpoole, (1965 -.
1.1.2.2.1.2.1.2.2. Lieut Comte Francis Gustave de Stacpoole, (1890 - 1973), married 1924 to Emily Marion Watson, with issue.
1.1.2.2.1.2.1.2.2.1. Comte Herbert Roderick Francis de Stacpoole, (1929-, married 1955 to Doreen Veronica Windle, with issue.
1.1.2.2.1.2.1.2.2.1.1. Comte Derek Roderick de Stacpoole, (1959 -.
1.1.2.2.1.2.1.2.2.1.2. Comte Michael John de Stacpoole, (1961 -.
1.1.2.2.1.2.1.2.2.1.3. Comtessa Rayma Anne de Stacpoole, (1963 -.
1.1.2.2.1.2.1.2.2.2. Comtessa Mary Sophia Pauline de Stacpoole, (1925 -, married 1950 to Oliver Ross Nicholson, FCS.
1.1.2.2.1.2.1.2.2.3. Comtessa Bridget Margaret Marion de Stacpoole, (1926 -, married 1951 to Eric Herbert Risley.
1.1.2.2.1.2.1.2.2.4. Comtessa Anne Maureen Gertrude de Stacpoole, (1927 -, "Nun".
1.1.2.2.1.2.1.2.2.5. Comtessa Judith Mary Sheila de Stacpoole, (1931 -, married 1956 to Major Gower Barham Griffiths, KSLI.
1.1.2.2.1.2.1.2.3. Comte Robert Andrew de Stacpoole, (1892 - 1914 Killed at the battle of Aisne)., dunm.
1.1.2.2.1.2.1.2.4. Comte Roderick Algernon Anthony de Stacpoole, (1895 - 1915 Killed at Neuvre Chapelle), dunm.
1.1.2.2.1.2.1.2.5. Comtessa Gertrude Mary Pauline de Stacpoole, (1884 - 1939), married 1907 to Col Harry McMicking DL.
1.1.2.2.1.2.2. Comtessa Maria Josephine de Stacpoole, married 1887 to John Reginald Charles Talbot.
1.1.2.2.1.3. Comte Francis Xavier de Stacpoole, d.inf.
1.1.2.2.1.4. Lieut Comte Hubert de Stacpoole, (d. 1868), married 1866 to Margaret Mary Stapleton, with issue.
1.1.2.2.1.4.1. Comtessa Cecile Elizabeth Margaret de Stacpoole, (1867 -1945), married 1887 to Galfrid Aloysius Cathcart de Trafford.
1.1.2.2.1.5. Comtessa Georgina de Stacpoole, Noble Canoness Order of St Anne of Convent of Noble Ladies of Munich by Queen of Bavaria 1850., dunm.
1.1.2.2.1.6. Comtessa Elizabeth de Stacpoole, d.inf.
1.1.2.2.1.7. Comtessa Gertrude de Stacpoole, (d. 1899), married to Marquis Auguste Fournier de Boisaigrault.
1.1.2.2.1.8. Comtessa Clothilde de Stacpoole, d.inf.