Complex sentence: In August 2006 she visited Austria for two weeks on a school-sponsored homestay program and later that year accompanied her father Prince Akishino, to participate in her first official function--a religious ceremony at the Ise Shrine.
Split into simpler sentences: In August 2006, she visited Austria for two weeks on a school-sponsored homestay program. Later that same year, she accompanied her father, Prince Akishino, to participate in her first official function--a religious ceremony at the Ise Shrine.