Complex sentence: Rodman has many brothers and sisters: according to his father, he has either 26 or 28 siblings on his father's side; however, Rodman himself has stated that he is the oldest of a total of 47 children.
Split into simpler sentences: Rodman has many brothers and sisters: according to his father, he has either 26 or 28 siblings on his father's side. However, Rodman himself has stated that he is the oldest of a total of 47 children.