Complex sentence: She was the a first person in a German evangelical bishopric to file a petition for divorce, in 2007, and on 6 August 2007, it was communicated to the church senate of the regional church that her divorce was legally valid.
Split into simpler sentences: She was the a first person in an Evangelical bishop office in Germany to file a petition for divorce, in 2007. On 6 August 2007, it was communicated to the church senate of the regional church that the bishop's divorce was legally valid.