Getting this error when escaping / in json

error message  there was an error parsing/evaluating the JSON string: Unexpected token /  when escaping of special characters 
infragistics.datasource.js:36

 in database users where storing dates like this 10/07 in a text field I escaped the /  so json looks like this

{"id":"64198","site_id":"263","room_id":"90","guardian_id":"29496","active":"A","child_first_name":"Jordan 10\/07","child_middle_initial":"","child_last_name":"Jackson","child_full_name":"JACKSON, JORDAN 10\/07","child_ssn":"","child_date_of_birth":"2007-10-05 00:00:00","child_approx_date_of_birth":"0","older_infant":"0","class_room":"3-4 YR B","ethnicity":"","has_breakfast":"0","has_lunch":"0","has_snack":"0","has_am_supplement":"0","has_dinner":"0","has_pm_supplement":"0","created_date":"2007-12-11 00:00:00","created_time":"120008","created_by":"GLADYS","updated_date":"2012-07-19 00:00:00","updated_time":"094504","updated_by":"GLADYS"}

using hgrid like this

$.ig.loader(function () {
var jsonp = new $.ig.JSONDataSource({ dataSource: "/childcare/Sites/api_index.json", datatype: "jsonp", callback: "render", responseDataKey: "" })

$("#grid1").igHierarchicalGrid({
autoGenerateColumns: false,
autoGenerateLayouts: false,
caption: "Sites",
expandCollapseAnimations: true,
animationDuration: 1000,
initialDataBindDepth: -1,
dataSource: jsonp,
dataSourceType: "json",
responseDataKey: "",
width: "98%",
primaryKey: "id",
columns: [...

thanks in advance