diff --git a/src/junior/dtos/response/qr-code-validation-details.response.dto.ts b/src/junior/dtos/response/qr-code-validation-details.response.dto.ts
index a3d0f3b..d1b093c 100644
--- a/src/junior/dtos/response/qr-code-validation-details.response.dto.ts
+++ b/src/junior/dtos/response/qr-code-validation-details.response.dto.ts
@@ -1,7 +1,8 @@
 import { ApiProperty } from '@nestjs/swagger';
+import { Gender } from '~/customer/enums';
 import { Guardian } from '~/guardian/entities/guradian.entity';
 import { Junior } from '~/junior/entities';
-import { GuardianRelationship } from '~/junior/enums';
+import { ChildRelationshipLabel, GuardianRelationship, Relationship } from '~/junior/enums';
 
 export class QrCodeValidationDetailsResponse {
   @ApiProperty()
@@ -26,6 +27,17 @@ export class QrCodeValidationDetailsResponse {
     this.phoneNumber = person.customer.user.phoneNumber;
     this.email = person.customer.user.email;
     this.dateOfBirth = person.customer.dateOfBirth;
-    this.relationship = guardian ? junior.relationship : GuardianRelationship[junior.relationship];
+    
+    if (guardian) {
+      this.relationship = junior.relationship;
+    } else {
+      if (junior.relationship === Relationship.PARENT) {
+        this.relationship = junior.customer.gender === Gender.MALE 
+          ? ChildRelationshipLabel.SON 
+          : ChildRelationshipLabel.DAUGHTER;
+      } else {
+        this.relationship = GuardianRelationship[junior.relationship];
+      }
+    }
   }
 }
diff --git a/src/junior/enums/child-relationship-label.enum.ts b/src/junior/enums/child-relationship-label.enum.ts
new file mode 100644
index 0000000..61352ee
--- /dev/null
+++ b/src/junior/enums/child-relationship-label.enum.ts
@@ -0,0 +1,5 @@
+export enum ChildRelationshipLabel {
+  SON = 'SON',
+  DAUGHTER = 'DAUGHTER',
+}
+
diff --git a/src/junior/enums/index.ts b/src/junior/enums/index.ts
index a729152..b7e1495 100644
--- a/src/junior/enums/index.ts
+++ b/src/junior/enums/index.ts
@@ -1,3 +1,4 @@
+export * from './child-relationship-label.enum';
 export * from './guardian-relationship.enum';
 export * from './relationship.enum';
 export * from './theme-color.enum';