They had two daughters: Monique (1908–1995), who married her cousin Étienne de Ganay (1899–1990), and Louise-Charlotte (14 July 1912 – 29 May 2012), co-founder of the Maison d'Ananie [fr].

Schneider had a taste for adventure, and took in turn to racing hydroplane boats, ballooning and piloting early airplanes.

Forced to abandon flying after a severe accident, he became a constant financial supporter of various flight contests.

[2][6] Schneider thought that seaplanes had a great future since so much of the Earth is covered by water, which could be used for takeoff by large, heavy aircraft without the need to build runways.

[3] The races did not achieve Schneider's objective of furthering commercial aviation by developing robust long-range airplanes.