1. Without any immediate family, he was left heirless and had no one to inherit his vast fortune.
没有任何近亲的他，成了没有继承人，没有人可以继承他的巨额财产。

2. The ancient noble family became heirless after the last remaining member passed away without any children.
这个古老的贵族家族最后一位成员没有子嗣就去世了，从而成了没有继承人的家族。