JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app="myApp" ng-controller="myCtrl">
    <div ng-repeat="result in results"  class="row">
    <div ng-if="$index % 3 == 0">
      <div ng-repeat="item in results"  class="row">
        <div class="col-xs-6" ng-if="$index <= $parent.$index">First: {{results[$index].birthDate}}</div>
      </div>
      <br/>
    </div>
        
    </div>
</div>

JavaScript

var app = angular.module('myApp', []);

app.controller('myCtrl', function ($scope) {
    $scope.results = [
        {birthDate: '01/08/1982'},
        {birthDate: '11/08/1992'},
        {birthDate: '21/08/2002'},
        {birthDate: '31/08/2012'},
        {birthDate: '31/08/2012'},
        {birthDate: '31/08/2012'}
    ]
});