Interactive tree of Eric Drayton Colson
1896–1943♂ Eric Drayton Colson
1893–1964♀ Gertrude Lilian Greatbatch
1858–1909♂ Edwin Greatbatch
1866–1933♀ Annie Cecily Thomson
1835–1896♂ John Bell Thomson
1846–1924♀ Annie McCrostie
1810–1887♂ John McCrostie
1814–1898♀ Jessie Ann Robertson