If it is a business letter, it would only be addressed to the lawyer and "Esq." would be at the end of her/his name. If it is personal, such as an invitation, it need only be addressed to "Mr. & Mrs." without embellishment.
As Mr. & Mrs. , unless one of them has a JD , a Doctoral dgree in Law. That person may be addressed as DR. , but most don't use the title unless they are teaching.
You would address a wedding invitation to a lawyer and wife in the same way that you would anyone else. You would use his first and her first name with their shared last name.
Answer How about trying Mr and Mrs.
Say there last name was "Smith" you would write Mr. and Mrs. Smith.
The proper way to address a mailing envelope is to place the stamp at the top right corner, add the senders return address on the top left corner of the envelope with the recipients full name and address in the middle of the envelope.
Dr. [Husband's Full Name] and Dr. [Wife's Full Name]
Mr. and Mrs. James J. Doe If writing to him alone, the correct form would be James J. Doe, Esquire
Mr and Mrs would be proper. Attorneys are typical written to as Mister.
Addressing a husband and wife who are both Reverends: Reverends John & Jane Doe.
Ms. and then your last name.
Mr. Robert Pollack, PhD.
Mr John Doe and family
"Mr. & Mrs. C. Smith" if you know his first initial. If not, then "Mr. & Mrs. Smith" would be correct.
The proper way address them is Mr. or Mrs Last Name
Addressing an envelope to a male child use to be 'Master', but now it can be Mr.and the female Miss.