Complex sentence: Bartsch initially refused any surgery but finally agreed to voluntary castration in 1976 in order to avoid lifetime incarceration in a hospital ten or about ten years after incarceration, two years after his marriage, and after his depressive condition did not improve.
Split into simpler sentences: Bartsch initially refused any surgery but finally agreed to voluntary castration in 1976 in order to avoid lifetime incarceration in a hospital. This was about ten years after incarceration, two years after his marriage, and after his depressive condition did not improve.