Have you sent thank-you notes to the relatives from whom you received gifts?

你给那些送你礼物的亲戚们发感谢信了吗？

youdao

The friend next door from whom you borrowed four eggs or a ladder has moved and the people there now are strangers.

向你借了四个鸡蛋或梯子的隔壁的朋友已经搬走了，现在那里住的人都是陌生人。

youdao

I met an old friend from whom I had parted for many years.

我见到了分离多年的朋友。

《新英汉大辞典》

Genes can influence many things, from whom we look like to what we eat to possible treatments for diseases.

VOA: special.2010.03.23

A people that are from whom Shadrach, Meshach and Abednego came.

他们是沙德拉，米萨,亚伯尼哥，的祖先。

普林斯顿公开课 - 人性课程节选

So another parallel is people talk about these highly intelligent people from whom the President that surrounded himself, erh, FDR surrounded himself with highly intelligent people, that is no guarantee of anything, except brilliant rationalization for failures in some cases.

所以从另一个方面说,人们总在谈论这些,聪明的人,总统身边的，呃，罗斯福身边,就有高智商的人，但那保证不了什么，他们只能为失败,找到托词。

斯坦福公开课 - 经济学课程节选

Varys has his mysterious foreign patron, from whom he obviously receives intel, networking, and finance support.

FORBES: In Game of Thrones, Who's The Smartest - Tyrion, Petyr, Varys, Or Tywin?

New legislation increases uncertainty about what will be redistributed, how much and from whom.

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Let us not forget the fan from whom the game derives its financial heft.

BBC: Rahul Dravid's recipe for reforming cricket