Complex sentence: In 1994, Gregg's brother passed away at 30 years old due to complications from HIV and doing significant soul searching within two years he was enrolled in at Andersonville Theological Seminary and College.
Split into simpler sentences: In 1994, Gregg's brother passed away at 30 years old due to complications from HIV. Within two years of his brothers death, he was enrolled in at Andersonville Theological Seminary and College.