Complex sentence: Vraciu's parents had immigrated from Romania at the turn of the century, settling in East Chicago, Indiana, with his father, Alexandru Sr., hailing from Poiana, while his mother, Maria (née Tincu) came from Sebes.
Split into simpler sentences: Vraciu's parents had immigrated from Romania at the turn of the century, settling in East Chicago, Indiana. His father, Alexandru Vraciu Sr., was from Poiana, while his mother, Maria Tincu was from Sebes.