I'm in Australia as well and a descendant of Elizabeth Abercrombie who married Peter Burden. A long long time agooo. Then came My Burdens and Andrews Eadies and Mal's Lawsons etc. All of us little twigs and or big sticks on the individuals you mentioned of the 17th c.
Elizabeth Abercrombie. Birth. 17 January 1756
(Daughter of Henry Abercrombie & Margaret Ure)
Born, in St Ninians, Stirling, Stirlingshire, Scotland, United Kingdom. Death. 12 February 1837
in Stirling, Stirlingshire, Scotland, United Kingdom.
Peter Burden. Birth. Abt 1752 in Dunblane, Perthshire, Scotland, United Kingdom. Death.
1829 in Stirling, Stirlingshire, Scotland, United Kingdom.