The problems continued sporadically into the third generation. Two of Leonard's sons suffered serious depression: Trevenen committed suicide in 1914 and Julian suffered a number of breakdowns. Of course, there are many family members for whom no information one way or the other is available, but both the talent and the mental problems would have interested Francis Galton: "The direct result of this enquiry is... to prove that the laws of heredity are as applicable to the mental faculties as to the bodily faculties".