Complex sentence: Ellen's itinerant life was over after her husband's death, and she settled permanently in Clifton, where she, James Jr. and Rolinda established a portrait practice, concentrating on Rolinda's career.
Split into simpler sentences: Ellen's itinerant life was over after her husband's death. She settled permanently in Clifton, where she, James Jr. and Rolinda established a portrait practice, concentrating on Rolinda's career.