diff --git a/demo/57-add-parent-numbered-lists.ts b/demo/57-add-parent-numbered-lists.ts
new file mode 100644
index 0000000000..1e12ebc75c
--- /dev/null
+++ b/demo/57-add-parent-numbered-lists.ts
@@ -0,0 +1,88 @@
+// Numbered lists - Add parent number in sub number
+// Import from 'docx' rather than '../build' if you install from npm
+import * as fs from "fs";
+import { AlignmentType, Document, HeadingLevel, Packer, Paragraph } from "../build";
+
+const doc = new Document({
+    numbering: {
+        config: [
+            {
+                levels: [
+                    {
+                        level: 0,
+                        format: "decimal",
+                        text: "%1",
+                        alignment: AlignmentType.START,
+                        style: {
+                            paragraph: {
+                                indent: { left: 720, hanging: 260 },
+                            },
+                        },
+                    },
+                    {
+                        level: 1,
+                        format: "decimal",
+                        text: "%1.%2",
+                        alignment: AlignmentType.START,
+                        style: {
+                            paragraph: {
+                                indent: { left: 1.25 * 720, hanging: 1.25 * 260 },
+                            },
+                            run: {
+                                bold: true,
+                                size: 18,
+                                font: "Times New Roman",
+                            },
+                        },
+                    },
+                ],
+                reference: "my-number-numbering-reference",
+            },
+        ],
+    },
+});
+
+doc.addSection({
+    children: [
+        new Paragraph({
+            text: "How to make cake",
+            heading: HeadingLevel.HEADING_1,
+        }),
+        new Paragraph({
+            text: "Step 1 - Add sugar",
+            numbering: {
+                reference: "my-number-numbering-reference",
+                level: 0,
+            },
+        }),
+        new Paragraph({
+            text: "Step 2 - Add wheat",
+            numbering: {
+                reference: "my-number-numbering-reference",
+                level: 0,
+            },
+        }),
+        new Paragraph({
+            text: "Step 2a - Stir the wheat in a circle",
+            numbering: {
+                reference: "my-number-numbering-reference",
+                level: 1,
+            },
+        }),
+        new Paragraph({
+            text: "Step 3 - Put in oven",
+            numbering: {
+                reference: "my-number-numbering-reference",
+                level: 0,
+            },
+        }),
+        new Paragraph({
+            text: "How to make cake",
+            heading: HeadingLevel.HEADING_1,
+        }),
+    ],
+});
+
+Packer.toBuffer(doc).then((buffer) => {
+    fs.writeFileSync("My Document.docx", buffer);
+});