VERB + CO-BROTHER
can't
CO-BROTHER + NOUN
guild
noun
One's colleague ("brother" in the same craft, occupation, or society).
My co-brethren of the quill.
At the death of the co-sisters of the Guild, every co-brother of the Guild to be present
One's wife's sister's husband.
If your wife doesn't have a sister, you just can't have a co-brother.