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 | John Borthwick (1841-1913) |
 | Mary Cobban Blacklaw (1848-1921) |
| William Borthwick, > (1883-1974)
|
| Elizabeth Busch, > (1879-1928) |
| Rev George Borthwick, ^ (1911-2004)  |
| William Borthwick, ^ (1913-1976) |
| John Theodore Borthwick (1918-2004) |
| Edward Maynard Borthwick (1922-1971) |
