Wayne  

Samuel Davidson died before Mar 1851, most likely resided in Nairn
Scotland, m. Elizabeth McBeath b abt 1781>
Isabella Davidson Chr 1802 Duthil with Rothiemurchus, Inverness Scotland
m.  Peter Calder 1827 Inverness? Scotland>
Isabella and Peter migrated to Australia in 1853
Catherine Calder  Chr 1829 Inverness m. William Pitman in Sydney Aust
1854.

Trevor Davison

1. William DAVISON Born: c1827 in: Alnwick Northumberland England
m. Lucy FOSTER Born: c1828 in:South Shields Northumberland England>
2. Joseph William Portland DAVISON Born: 3 Apr 1854 in:Portland Bay
Victoria Australia
m. Sarah WESTLAND Born: c1857 >
3. Thomas Lionel DAVISON  Born: 5 May 1882 in: Robe South Australia
Australia
m. Ellen Selina Wilkins SNEATH Born: 18 Feb 1886 in: Robe South Australia
Australia>
4. Vivian Lionel Gordon DAVISON Born: 29 April 1924 in: Robe South
Australia Australia
m. Nancy Vere FULLER Born: 2 January 1925 in: Gladstone South Australia
Australia>
5.  Trevor John DAVISON Born: 22 June 1948 in: Laura South Australia
Australia
m. Helen Rita GRIFFITHS Born: 3 April 1949 in: Cooma New South Wales Australia. 

Joan Davidson

William Thomas 1812 (Maria Bain), Kent ,England>
Family Sarah Ann 1837
William Thomas 1838
John Richard 1840 (Ellen Bailey, Australia)
Maria Ann1842
Thomas William1843
Elizabeth Sarah 1845
Harriet  (John Watts)
All b from Greenwich Kent
John Richard came to New Zealand in 1866 
Joan Davison Auckland New Zealand