Furthermore, even among the children of legitimate and of illegitimate birth, the first-born son and his male-line descendants took precedence over those sons born afterwards and their male-line descendants.
また、嫡出子・庶出の子それぞれの中でも、先に生まれた者及びその子孫の系統を優先して、後に生まれた者及びその子孫の系統を後にする。