| Partner: | William Dunn Black (1843-1932) | |
| Partner: | (unknown) | |
| Children: | James Colin Black (c. 1883-1938) | |
| Name: | William Dunn Black | |
| Sex: | Male | |
| Father: | - | |
| Mother: | - | |
| Birth | 14 Feb 1843 | Glasgow, Scotland |
| Census | 1891 (age 47-48) | Private means, Auchentoshan House, Old Kilpatrick, Dumbartonshire, Scotland |
| Death | 13 Jan 1932 (age 88) | |
| Name: | James Colin Black | |
| Sex: | Male | |
| Spouse: | Edith Sophia Tate (1867-1957) | |
| Birth | c. 1883 | Row, Dumbartonshire |
| Census | 1891 (age 7-8) | Living with parents |
| Occupation | 23 Oct 1920 (age 36-37) | Engineer, Manor House, Wallington, Surrey |
| Death | 28 Feb 1938 (age 54-55) | |