He was born as an heir to Hirokata SHO (the founder of Asami clan), the fifth son (the youngest son) of Iehiro SHO, the fourth head family of Kodama party, in Iriazami Village, Kodama County (present day Iriazami, Kodama Town, Honjo City, Saitama Prefecture.)
児玉党本宗家4代目庄家弘の五男（末子）である庄弘方（阿佐美氏祖）の嫡男として生まれ、児玉郡の入浅見村（現在の埼玉県本庄市児玉町入浅見）が出身。