| | William Georges JOHNSTON 1893–1942 Georgina Germaine Henriette FAURE 1902– | | |
Jacqueline Alice Marie JOHNSTON 1895–1975 | | |
Isabelle Marguerite OPPERMANN 1933–1984 | | |
| | Nicole Yvonne Catherine JOHNSTON 1897– Georges Émile OPPERMANN 1882–1939 | | |
| | Adélaïde Wilhelmine Juliette 'Marguerite' Le SOURD 1870–1926 Alfred Arthur Nathaniel JOHNSTON 1858–1936 | | |