Fetching details from the dictionary...

Obito (hereditary title, often given to powerful regional families)
「首」 has other readings with different meanings.
彼は地方の首として活躍した。
He served as a regional Obito.
首の称号は代々世襲でした。
The Obito title was hereditary.
古代の首は大きな権力を持った。
Ancient Obito had great power.