Although he was born as the oldest legitimate son of Tomonari SHIONOYA, no documents refer to his succession to the family headship, but as his father Tomonari entered into priesthood in March or April of 1220, it is supposed that he succeeded to the family headship at that time.
塩谷朝業の嫡男として生まれ、家督相続に直接触れる文献は無いが、父朝業が承久2年（1220年）2月に出家しているので、この時に家督を継いだものと推測されている。