Simplify the following text for a Grade 10 native English-speaking person.
Original: During this reign , Soga no Iname is believed to have been the first verifiable `` Great Minister '' or Omi ( also identified as Å - omi ) .
Simplified: During this reign , Soga no Iname became the first verifiable `` Great Minister '' or Omi ( also identified as Å - omi ) .