| Lord Calum Graham Close Associate | paternal half-brother · sibling · younger brother | - | - | |
| Lady Cairistiona Graham Close Associate | paternal half-sister · sibling · younger sister | - | - | |
| Lady Fiona Graham Close Associate | elder sister · sibling | - | - | |
| Catherine Graham, Duchess of Montrose Close Associate | spouse | | | |
| Lord Ronald Graham Close Associate | child | - | - | |
| James Graham, Marquess of Graham Close Associate | child | - | - | |
| Lord Donald Graham Close Associate | paternal half-brother · sibling · younger brother | - | - | |
| Lady Hermione Graham Close Associate | child | - | - | |
| Lady Lilias Graham Close Associate | paternal half-sister · sibling · younger sister | - | - | |
| Susan Semple Close Associate | stepparent | - | - | |
| Jocelyn Gibbs Close Associate | relative · stepsister | - | - | |