William Meldrum (born in the early-mid 1700s) is listed as to being from the townland of Corlave, in the parish of Drumkeeran, County Fermanagh. They family belonged to Tubrid church in Kesh.

1. William Meldrum
   + Unknown
   2.
Robert Meldrum (1756-1841)
   2.
John Meldrum
      + Ann Roe
   2.
James Meldrum
   2.
William Meldrum
      + Anne
      3.
Elinor Meldrum (1768-)
      3. Mary Meldrum (1780-1865)
         + Isaac Crawford
         4.
John Crawford (1826-1901)
            + Mary (1836-)
            5. John James Crawford (1858-)
            5. Isaac William Crawford (1861-)
            5. Elizabeth Anne Crawford (1863-)
               + James Falls (1855-1935)
               6. Minnie Falls (1887-)
               6. Samuel Robert Falls (1893-1974)
               6.
Florence Helena Falls (1897-)
               6. Henrietta Falls (1900-)
            5. Robert Crawford (1866-)
            5. Samuel David Crawford (1869-)
            5. Benjamin Hope Crawford (1878-1971)
               + Mary Jane Kennedy (1885-1972)
         4.
Robert Crawford J.P. (1827-1889)
            + Helena Geren (1835-1912)
            5.
Anne Jane Crawford (1864-1867)
            5.
Unknown Crawford (1865-)
            5. William Isaac Crawford (1865-1901)
               + Ruth G
               6.
Helena Ruth Katie Crawford (1899-)
               6. son Crawford
            5. Unknown Crawford (1866-)
            5. Helen Crawford (1867-1871)
            5.
Robert Geren Crawford (1877-1890)
         4.
Elizabeth Crawford (1831-1900)
            + Robert Bustard (1829-1910)
            5.
Robert Crawford Bustard (1867-1951)
               + Elizabeth Annie McCormick (1876-1951)
               6.
Mary Elizabeth Bustard (1901-1973)
                  + Joseph John Thomas McCormick
               6.
James Williams Bustard (1905-1949)
               6.
Olive Helena Bustard (1908-)
            5. Helena Bustard (1869-)
            5. Charlotte Bustard (1869-)
            5. James Osbourne Bustard (1870-1940)
            5.
George Andrew Wesley Bustard (1874-)
         4. James Crawford (1832-)
         4. Anne Crawford (1835-1904)
            + David McCormick (1827-1892)
            (no need to update this line)
         4.
Isaac Crawford (1838-)
            + Mary Jane Aiken (1840-)
            5. Mary Crawford (1866-)
            5. Margaret Crawford (1869-)
            5. Jane Kate Crawford (1871-)
            5. Olivia Kate Crawford (1871-)
            5. Helena Ann Crawford (1874-1956)
               + Vincent Beattie Smyth McCormick (1862-1953)
               6.
Thomas Albert McCormick (1903-1978)
               6.
Florence Margaret McCormick (1903-)
            5. Martha Jane Crawford (1874-1940)
            5.
Elizabeth Catherine Crawford (1875-)
               + Alexander William Donaldson (1860-)
               6. Olive May Donaldson (1897-)
               6. John Victor Alexander Donaldson (1898-1978)
                  + Dorothy Toussaint (-1995)
               6.
Laura Kathleen Donaldson (1899-)
               6. Eileen Beatrice Donaldson (1900-)
               6. Nora Crawford Donaldson (1901-1967)
                  + Archibald Gates
               6. Samuel Crawford Donaldson (1904-1966)
                  + Mary Elizabeth Earls (1908-1997)
               6.
Robert Isaac William Donaldson
               6.
Robins Isobel Donaldson
            5.
John Robert James Crawford (1879-1929)
         4.
William Crawford (1840-)
      3. Margaret Meldrum (1790-)
         + Simon Armstrong
         4. James Armstrong (1814-)
         4. Robert Armstrong (1817-)
      3. James Meldrum (1797-1879)
         + Margaret (1798-1871)
         4.
Martha Meldrum (1825-)
         4. Isaac Meldrum (1830-)
            + Mary Ferguson
         4. Margaret Meldrum (1838-)
            + Edward Moffitt
         4. William Meldrum (1840-1914)
            + Jane/Jean Bird (1842-)
            5. Margaret Ann Meldrum (1867-)
            5. Elizabeth Meldrum (1868-)
               + Thomas James Wilson
            5. Mary Meldrum (1870-)
            5. James Meldrum (1872-)
            5. Sarah Meldrum (1874-)
            5. Martha Meldrum (1875-)
            5. John Meldrum (1877-)
               + Catherine Anne (1883-)
               6. Emily Meldrum (1907-)
               6. Maggie Jane Meldrum (1908-)
               6. Martha Anne Meldrum (1910-)
            5. Lena Meldrum (1880-)
            5. Jane Emily Meldrum (1883-)
      3. William Meldrum (1801-)
         + unknown
         4. Martha Meldrum (1826-)
            + James Beaty (1824-)
      3. George Meldrum (1803-)