Complex sentence: In December 2013,17 years after initially becoming the Vicar of St.Mary's Church, Ashley gets his old job back, however after discovering that his rival, Harriet, was the first choice but resigned because of him so he gave the job up for her.
Split into simpler sentences: In December 2013,17 years after initially becoming the Vicar of St.Mary's Church, Ashley gets his old job back. However after discovering that his rival, Harriet, was the first choice but resigned because of him, he gave the job up for her.