Complex sentence: The former croft Kleiva was separated from Gjønnes in 1820, and in 1939 it had 19 decares of crop, one horse, six cattle and 20 swine.
Split into simpler sentences: The former croft Kleiva was separated from Gjønnes in 1820. In 1939 Kleiva had 19 decares of crop, one horse, six cattle and 20 swine.