Individual Details
Living
( - )
Families
| Spouse | Living |
| Father | Thomas Motherwell (1852 - 1901) |
| Mother | Grace Kirkwood Young (1854 - 1928) |
| Sibling | Alexander Motherwell (1877 - ) |
| Sibling | Living |
( - )
| Spouse | Living |
| Father | Thomas Motherwell (1852 - 1901) |
| Mother | Grace Kirkwood Young (1854 - 1928) |
| Sibling | Alexander Motherwell (1877 - ) |
| Sibling | Living |