1. The appeal is dismissed with costs, including costs of two counsel. 2. The costs order of the court a quo is substituted: (a) The first, third and fourth applicants are jointly and severally ordered to pay the costs of the second respondent, including costs of two counsel; (b) The second respondent is ordered to pay the costs of the second applicant, including costs of two counsel; (c) The applicants are jointly and severally ordered to pay the costs of the fourth respondent, including costs of two counsel.