Complex sentence: Catherine was unofficially adopted by her uncle, Rev. Peter Jones and his English wife, Eliza Fields with whom she lived at the Credit Mission from about 18367 until her marriage in 1839.
Split into simpler sentences: Catherine was unofficially adopted by her uncle, Rev. Peter Jones and his English wife, Eliza Fields. She lived with them at the Credit Mission from about 18367 until her marriage in 1839.