Interactive tree of Margaret M. Alexander
1955–♀ Lesley McCrostie
1957–♂ Noel McCrostie
–♀ Barbara Jelly
1959–♀ Clare McCrostie
–♂ Barry Ayers
1960–♂ Alan McCrostie
1963–♀ Gaylene Craig
1926–2006♂ Hugh Warren McCrostie
1930–♀ Agnes M. Campbell
1926–2009♀ Margaret Alison McCrostie
–♂ Hector George Barr
1889–1978♀ Margaret Kate Smaill
1889–1960♂ George Roy Hamilton McCrostie
1877–1934♀ Margaret M. Alexander
1849–1929♂ William Smaill