Gertude Elizabeth Johnston için Etkileşimli Ağaç
1895–1976♀ Gertude Elizabeth Johnston
–♂ James Johnston
1861–♀ Rebecca Forrester Stevenson
1819–1869♂ William Blair Stevenson
1819–1861♀ Rebecca Forrester
1795–1840♂ John Stevenson
1798–1873♀ Isabella Blair …