Complex sentence: Trimble lived in the house for twenty-five years; in April 1878, his investments in other businesses proved ruinous when those businesses failed; he was forced to sell the house during his bankruptcy.
Split into simpler sentences: Trimble lived in the house for twenty-five years; in April 1878, his investments in other businesses proved ruinous when those businesses failed. Insolvent, Trimble was forced to sell the house during his bankruptcy.