Yes, you can represent your brother and in NC & SC, you do have to disclose that he is related to you. Same for your brother-in-law - you're still relatives, at least in NC & SC. 

Yes, you must disclose, and if ever in doubt about a technicality, disclose.

Disclose, disclose, disclose.

The same way you would represent any other buyer with the addition that you will disclose the familial relationship to the future sellers. 

In most states you must disclose. If in doubt disclose!

I have family members sign exclusive buyer agreements all the time, i would never not do it Then, yes you must disclose when related

It depends on your state's laws. If you have an interest in a property, are involved in a personal transaction, or are representing a relative, in my state you need to disclose that. Doesn't matter who signs documents... you are still involved with the family. You can never go wrong with total disclosure. You can only go wrong when you don't disclose.

In Texas you must disclose first degree of consanguinity.  Which means yourself, spouse, children, parents.

It is required in NJ that family members disclose themselves - i.e. "Family member is licensed agent." In NJ, BIL is considered family.

In Maryland yes you must disclose in both cases, check your local state law

In Idaho we must disclose if we are related to the buyer or seller. That would include in-laws. What are the laws in your state? -K

Same as you would any other client

With caution.

Yes, always disclose

Many good answers to your question, Jaspreet Toor 

YES, ethically you must disclose your familial status.

YES, those are ALL subject to disclosure.

Carefully and reluctantly.

Diclose.  We sold Ron's mother's home, a commercial building that was owned by all 5 brothers and sister in laws in Ron's family.  That was disclosed!

I would disclose the fact. I would consider him a part of the immediate family.    

Check with local directives,  disclosure is always best.

With Caution

Check your state laws.

yes.....you need to disclose the relationship....

Have you consulted with your broker?

Have you signed up for any kind of training or mentoring?

I wish you all the best with your studies and in your career.

Yes, you can represent them. And yes, you should disclose your relationship. Why wouldn't you? Not only will it keep you out of trouble, but the best negotiators let the other guy know who you are and what you want. It is so simple to say "Agent is related to Buyer", or something similar.

Yes / Disclose.

You represent them under the same laws and regulations and fiduciary responsibilities as any other client, with the added familial status disclosure.

Yes to all of your questions.

State laws

I treat them in a business like manner

Disclose you are realted to the buyer.

Our commission says you have to work with family members as agency, and disclosure you are related to the buyer/seller.

In Nova Scotia, where I am licensed, we are required to disclose to a Buyer   if we are related to the Seller & vice versa.  If we ourselves are the buyer, we have to disclose in the offer that we are licensed & what our intended use for te property is ( personal, investment, income, or flipper ). 

Jaspreet Toor you need to disclose an immediate family member.

You represent them like any other buyer, and yes this should be disclosed, at least here in CA.

Carefully with full disclosures.

Comply with the regulations in your state.

If there is any family connection and in-laws count you must disclose.