Complex sentence: It is unclear when the land in Eliot came to be owned by the Farmer family however they lived in a variety of places in New England until, after 1880, when the family moved to Eliot and Moses retired.
Split into simpler sentences: It is unclear when the land in Eliot came to be owned by the Farmer family. However, they lived in a variety of places in New England until, after 1880, when the family moved to Eliot and Moses retired.