Interactive tree of ‪Gertude Elizabeth Johnston‬
١٨٩٥–١٩٧٦♀ Gertude Elizabeth Johnston
–♂ James Johnston
١٨٦١–♀ Rebecca Forrester Stevenson
١٨١٩–١٨٦٩♂ William Blair Stevenson
١٨١٩–١٨٦١♀ Rebecca Forrester
١٧٩٥–١٨٤٠♂ John Stevenson
١٧٩٨–١٨٧٣♀ Isabella Blair …