the eldest son的意思|示意

My grandmother is the eldest son, her children are basically working in the field, have their own houses.

我是奶奶的长孙，她的儿女基本上都在外地工作，各自都有房屋。

After all, this system did not exist, let alone the system of succession by the eldest son.

连宗法制都不存在，在封建社会又何来嫡长子继承制呢？

Married off a daughter, the eldest son have children. There are five or six years old grandson.

大儿子已经有了孩子，是个五六岁的小孙子。

He is the eldest son and thus heir to the title.

他是长子，因此是这个封号的继承人。

Eric had been the eldest son of the family, very much older than his two brothers.

埃里克是这家长子。年龄比他两个弟弟大很多。

Soon, the eldest son comes back home.

很快，年纪最大的儿子回家了。