According to MacDonald's son and biographer Greville MacDonald there are many similarities between Diamond and MacDonald's son Maurice who died young.
Ramsay MacDonald | Jeanette MacDonald | Ross Macdonald | John A. Macdonald | Norm Macdonald | George MacDonald Fraser | George MacDonald | Malcolm MacDonald | Ann-Marie MacDonald | Amy Macdonald | Robert Greville, 2nd Baron Brooke | Macdonald | Harold Scott MacDonald Coxeter | Todd MacDonald | Malcolm Macdonald | Macdonald Carey | J. E. H. MacDonald | Heidi MacDonald | George Greville, 2nd Earl of Warwick | Catriona MacDonald | Angus MacDonald, 8th of Dunnyveg | Sir James MacDonald, 9th of Dunnyveg | Margaret MacDonald (artist) | MacDonald sisters | MacDonald of Glencoe | Kenneth MacDonald | James D. Macdonald | Jacques MacDonald | George F. MacDonald | Fulke Greville |