1. A Drummond of Perth or Colquhalzie m. abt 1720 a dau of Laurence (Lawrence) Oliphant of Gask and had a dau.
2. Dau Drummond m. John Macaulay of Ardincaple House who at the age of 19 fell by the side of Col. Gardiner at Preston in 1745 and left issue,
3. John Macaulay of Leven Grove, a handsome man and the father of many comely daughters [1860 Notes and Queries]
John Macaulay of Leven Grove and descendants:
1. John Macaulay of Leven Grove, Town Clerk (d. 1799) m. 1767 Elizabeth Brown (d. 1821) and had,
2. Catherine Ann Macaulay, b. 1769 m.1791 Jacob Dixon and had,
3. John Dixon
3. John Dixon, b. 1793
3. Jacob Dixon (1794-1831) m 1. Jean Brown and had,
4. Jean Dixon, b. 1816 m. John Macaulay
4. Elizabeth Dixon m. Dr. Robert Brown
4. Janet Dixon, d. an infant
4. Joseph Dixon m. 1846 Sabella Chapman Thomson
4. Anthony Dixon
Jacob supposedly m. 2 Mary Ann McCully and had,
4. Mary Dixon m. Dr. John Bell
4. Jacob Dixon
4. John Dixon
3. Elizabeth Jane Dixon
3. William Dixon
3. William Arnaud Dixon
3. Anthony Dixon, b. 1800; m. Jean Ewing
3. Joseph Dixon
3. Louisa Dixon, b. 1805; m. 1 Robert Dixon; m. 2 Capt. John Lee
3. Catherine Ann Sophia Dixon
2. Janet Macaulay, b. 1771 m. John Arnaud (1762-1811) in 1794 and had,
3. Ann Arnaud, b. abt. 1796
3. John Macaulay Arnaud, b. 1795 m. Georgina and had,
4. Georgina Sarah Arnaud, b. 1837
4. John William Arnaud, b. 1839
4. Annette Louise Arnaud, b. 1840
3. Elias Arnaud (1799-1867) m. 1845 Annie Maria Norris and had,
4. Mary MacKenzie Arnaud, b. 1848
4. Francis Henry Arnaud, b. 1850 m. 1878 Rosa Marion Hobkirk and had,
5. Constance Marion Arnaud, b. 1881; m. 1904 Albert K. Shorey
5. Ernest Arnaud
5. Winifred Arnaud m. 1907 Harold John Chater and had,
6. Gerald Arnaud Chater
5. Elias Macaulay Arnaud, b. 1879 m. Edna Jenkins
4. Charles Arnaud, b. 1852
4. Louisa Brooks (Brook?) Arnaud (1855-1911) m.1 1872 Henry Fitzwilliam Browne and had,
5. Ernest Browne
5. Helen Browne
5. Henry Browne
Louisa Arnaud m. 2 Hubert Edward Pelham-Clinton and had,
5. Marjorie Pelham-Clinton, b. 1910; m. Edward Dates Long and had,
6. Mr. Long m. Miss Britton
6. Miss Long m. Mr Rowe
4. Elias de Barbazan Arnaud (1847-1915) m. 1870 Constance Isabel Walcot, dau of Charles Walcot and had,
5. Henry Macaulay Arnaud (c. 1877-c.1945) m. Neva Brenton, dau of Charles John Brenton and Mary Phinney and had,
6. John Walcot Arnaud (1911-1999) m. Dorothy Thomas, dau of Trevor Thomas and Myra Hummel
6. James D. Arnaud
5. Guy Percival Arnaud, b. 1881 m. 1912 Marion Isobel Smark and had,
6. Frances Irving Arnaud
6. John Walcot Farrell Arnaud
5. Ethel Phyllis Arnaud, b. 1884; m. Robert Gordon Winter, son of Sir Marmaduke George Winter and had,
6. Gordon Winter
6. Gerald Winter
6. Walcott Winter
6. Barbara Winter
6. Elizabeth Winter
5. Gordon Brook Arnaud, b. 1886
5. Mary Evangeline Arnaud (1889-1985) m. 1915 James Alexander Winter and had,
6. Norman Winter
6. Mary Winter
6. James Winter
6. Sheila Winter
6. Winnifred Winter
5. John Arnaud, b. 1895 m. Cynthia Marshall and had,
6. Lynn Arnaud
6. Muriel Arnaud
6. Evelyn Arnaud
6. Frederick Arnaud
3. Frederick Alexander Arnaud, b. 1804
3. Louisa Benjafield Arnaud, b. 1806 m. 1827 Duncan McColl
2. Jean Macaulay, b. 1775 m. possibley Alexander Carrick and had,
3. John Macaulay Carrick, b. 1804
3. Isabella Carrick, b. 1807
3. Elizabeth Carrick, b. 1809
3. Jane Jamina Carrick, b. 1811
3. Fanny Carrick, b. 1815
2. Elizabeth Macaulay, b. abt. 1772
2. Margaret Macaulay, b. abt. 1772
2. Louisa Macaulay (Loisa), b. 1776 m. 1806 William Thom and had,
3. Elizabeth Thom, b. 1807
3. William Thom, b. 1811
2. John Macaulay (1778-1835), J.P., solicitor m. 1 Janet Allison and had,
3. John Brown Macaulay m. 1836 Jean Dixon, dau of Jacob Dixon and Jean Brown, and had
4. Jacob Dixon Macaulay, b. 1856, died infant
3. James Macaulay, b. 1812, tax collector in Aberdeen, m. Jane Collie and had,
4. Margaret Landal Macaulay, b. 1857
4. Alice Jane Oliphant Macaulay, b. 1859
4. John Drummond Macaulay, b. 1860
4. Georgina Macaulay, b. 1862
4. Flora Alexandra Macaulay, b. 1864
4. James Oliphant Macaulay, b. 1866
4. Ronald Macaulay, b. 1867
3. Alexander Macaulay, b. 1814
3. Elizabeth Macaulay, b. 1816
3. Janet Macaulay, b. 1818
John Macaulay m. 2 Mary Smith and had further issue,
3. Maria Macaulay, b. 1823
3. Robert Macaulay, b. 1825
3. George Steele Macaulay, b. 1827
3. Joseph Dixon Macaulay, b. 1829
3. Catherine Anne Smith Macaulay, b. 1831
3. Isabella Carrick Macaulay, b. abt 1831
3. William Paterson Macaulay, b. 1833
3. Agnes Macaulay, b. 1835
John Macaulay also had issue with Catherine Brown and had,
3. William Macaulay, b. 1801 m. ? and had,
4. Jessie Macaulay m. John Mitchell Crawford
4. Catherine Brown Macaulay m. William Crawford
4. Bethia Macaulay
2. Ann Macaulay, b. 1780 m. 1809 William Dunn Barclay, Writer in Glasgow; Sheriff's Procurator-Fiscal (Book: Old Reminiscences of Glasgow and the West of Scotland by Peter Mackenzie, 1890)
2. William Macaulay, b. 1782 m. Janet McKie and had,
3. Isabella Macaulay
3. Christian Macaulay
3. Janet Macaulay, b. 1818
3. Louisa Macaulay (1827-1877)
3. Catherine Macaulay
3. Elizabeth Macaulay
2. James Macaulay, b. 1784
2. Alexander Macaulay, b. 1786
2. Susan Macaulay, b. 1788
2. James Wardrop Macaulay, b. 1792
Will add some bits and pieces about the Dixons later. Hope this helps.