Complex sentence: His childhood name (yōmei) was, his imina was, also read Shigetsugu, his common name (azana) was, and he was commonly known by the personal names (tsūshō) as or.
Split into simpler sentences: His childhood name (yōmei) was, his imina was, also read Shigetsugu. His common name (azana) was, and he was commonly known by the personal names (tsūshō) as or.