Stuart Alexander Donaldson (1854–1915), first Premier of the Colony of New South Wales
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Merchant Stuart Alexander Donaldson (1812–1867), the first Premier of New South Wales, owned the farming property known as 'The Montmorency Estate' until the 1840s.
The eldest son Stuart Alexander Donaldson, a distinguished scholar, became Master of Magdalene College, Cambridge, Vice-chancellor of the University of Cambridge in 1912 and died in 1915; another son was St Clair Donaldson – archbishop of Brisbane.