我妻子的兄弟和我姐姐的丈夫都是我的姐夫。

My wife's brother and my sister's husband are both my ___brothers-in-law.

我丈夫的妹妹的丈夫们——也就是我的连襟们——上周末来家里做客了。

My ___brothers-in-law ___my husband's sister's husbands came to visit us last weekend.