diff --git a/app/imports/api/parenting/ChildSchema.js b/app/imports/api/parenting/ChildSchema.js
index dd532219..e5dac848 100644
--- a/app/imports/api/parenting/ChildSchema.js
+++ b/app/imports/api/parenting/ChildSchema.js
@@ -22,6 +22,7 @@ let ChildSchema = new SimpleSchema({
   ancestors: {
     type: Array,
     defaultValue: [],
+    max: 100,
   },
   'ancestors.$': {
     type: RefSchema,