of是有原本是的意思吗？

My father was of a good family.

My father was in a good family.

老师，这两个句子有哪些不同？

网友擅长自己造句。

虽说这两个句子语法很好，但语义却十分含混。由于good 的词义不够明确，“好”指什么？指家庭关系友好，还是生活富足？

My father was of a good family. （of 表来一个人的“血统来源”）

My father was in a good family.（in 表示“处在；生活在”）

两个句子都是过去时，说明主语现已经过世去。