Complex sentence: This appears to have been too much for him, as he was unable to retrieve his wife who became the first of the accused executed, and it was not until 1956 that the General Court of MA finally admitted the mistake of the judges.
Split into simpler sentences: This appears to have been too much for him and he was unable to retrieve his wife, who became the first of the accused executed. In 1956 the General Court of MA finally admitted the mistake of the judges.