Complex sentence: Otto Wagener claims that her marriage to Goebbels was somewhat arranged; since Hitler intended to remain unmarried, it was suggested that as the wife of a leading and highly visible Nazi official she might eventually act as "first lady of the Third Reich".
Split into simpler sentences: Otto Wagener claims that her marriage to Goebbels was somewhat arranged. Since Hitler intended to remain unmarried, it was suggested that as the wife of a leading and highly visible Nazi official she might eventually act as "first lady of the Third Reich".