Mary married Assan Farid Dina who laid out
the gardens and built the chapel in 1917. Assan Dina was poised to become a
mainstay of technological and tourist development in the Salève region.
As soon as the Great War came to an end, he
financed an electrification programme in the district of Cruseilles and the
supply of drinking water to some villages and hamlets.
In 1918, he began to redevelop the old
“Jacquet mills” on the river the Usses, in the place known as “Les Chosals”,
which he transformed into a hydroelectric power station.
Dina was planning to build an astronomical
and meteorological observatory on the Salève, which he wanted to equip with the
most powerful telescope ever designed. This project could not be completed, but
Dina bought the Vallot observatory in Chamonix in 1925.
Assan died mysteriously on 24
June 1928, while he was celebrating his fifteenth wedding anniversary on a liner in the
Mary married Ernest Britt, a pianist who squandered her fortune.
She died in 1938
following an accident, one year after her divorce with Ernest Britt.