Complex sentence: The family moved to Aviemore in 1936 after her father secured an appointment there, they lived there for two years before returning to Wonersh, near Guildford, where they lived for another two years.
Split into simpler sentences: The family moved to Aviemore in 1936, after her father secured an appointment there. They lived there for two years before returning to Wonersh, near Guildford, where they lived for another two years.