Legal estate in land vested in a person of unsound mind or defective

Where a legal estate or legal interest in land (whether settled or not) is vested in a person of unsound mind or defective, either solely or jointly with any other person or persons, his committee shall, under an order of the court or under any statutory power, make or concur in making all requisite dispositions for transferring or creating a legal estate or legal interest in the name and on behalf of the person of 21