diff --git a/dbux-code/src/dataFlowView/DataFlowNodeProvider.js b/dbux-code/src/dataFlowView/DataFlowNodeProvider.js
index b787c9ee5..a6c801317 100644
--- a/dbux-code/src/dataFlowView/DataFlowNodeProvider.js
+++ b/dbux-code/src/dataFlowView/DataFlowNodeProvider.js
@@ -75,13 +75,21 @@ export default class DataFlowNodeProvider extends BaseTreeViewNodeProvider {
     }
 
     // apply filters
-    const { accessId, valueId } = dataNode;
+    const { accessId, valueId, refId } = dataNode;
+    /**
+     * @type {DataNode[]}
+     */
     let dataNodes;
+    let firstNode = null;
     if (DataFlowSearchModeType.is.ByAccessId(this.controller.searchMode)) {
       dataNodes = dp.indexes.dataNodes.byAccessId.get(accessId);
     }
     else if (DataFlowSearchModeType.is.ByValueId(this.controller.searchMode)) {
       dataNodes = dp.indexes.dataNodes.byValueId.get(valueId);
+
+      if (refId) {
+        firstNode = dp.util.getAnyFirstNodeByRefId(dataNode.refId);
+      }
     }
 
     if (DataFlowFilterModeType.is.ReadOnly(this.controller.filterMode)) {
@@ -92,6 +100,13 @@ export default class DataFlowNodeProvider extends BaseTreeViewNodeProvider {
     }
 
     const dataTraceIds = new Set();
+
+    if (firstNode && dataNodes?.[0]?.nodeId !== firstNode.nodeId) {
+      // manually add first trace
+      // see https://github.com/Domiii/dbux/issues/702
+      dataNodes.unshift(firstNode);
+    }
+
     return dataNodes?.map((node) => {
       const dataTrace = dp.collections.traces.getById(node.traceId);
       if (dataTraceIds.has(dataTrace.traceId)) {
diff --git a/dbux-data/src/collections/DataNodeCollection.js b/dbux-data/src/collections/DataNodeCollection.js
index bcfeb5242..69bde4934 100644
--- a/dbux-data/src/collections/DataNodeCollection.js
+++ b/dbux-data/src/collections/DataNodeCollection.js
@@ -30,6 +30,8 @@ export default class DataNodeCollection extends Collection {
 
     if (dataNode.refId) {
       const firstRef = this.dp.indexes.dataNodes.byRefId.getFirst(dataNode.refId);
+      // const firstNodeId = this.dp.util.getAnyFirstNodeIdByRefId(dataNode.refId);
+      // return Math.min(firstNodeId, firstRef.nodeId);
       return firstRef.nodeId;
     }
     else {
diff --git a/dbux-data/src/dataProviderUtil.js b/dbux-data/src/dataProviderUtil.js
index f76107c73..28a0067ed 100644
--- a/dbux-data/src/dataProviderUtil.js
+++ b/dbux-data/src/dataProviderUtil.js
@@ -941,14 +941,48 @@ export default {
     return null;
   },
 
+  /** @param {DataProvider} dp */
   getDataNodesByRefId(dp, refId) {
     return dp.indexes.dataNodes.byRefId.get(refId);
   },
 
+  /** @param {DataProvider} dp */
   getFirstDataNodeByRefId(dp, refId) {
     return dp.indexes.dataNodes.byRefId.getFirst(refId);
   },
 
+  /** 
+   * Get first DataNode by refId, even if it does NOT OWN it.
+   * 
+   * @param {DataProvider} dp
+   */
+  getAnyFirstNodeIdByRefId(dp, refId) {
+    const ref = dp.collections.values.getById(refId);
+    const { nodeId } = ref;
+    // const { traceId } = dp.collections.dataNodes.getById(nodeId);
+    // return traceId;
+    return nodeId;
+  },
+
+  /** 
+   * Get first DataNode by refId, even if it does NOT OWN it.
+   * 
+   * @param {DataProvider} dp
+   */
+  getAnyFirstNodeByRefId(dp, refId) {
+    const nodeId = dp.util.getAnyFirstNodeIdByRefId(refId);
+    return nodeId && dp.collections.dataNodes.getById(nodeId);
+  },
+
+  /**
+   * @param {DataProvider} dp
+   */
+  getFirstTraceIdByNodeId(dp, nodeId) {
+    const { traceId } = dp.collections.dataNodes.getById(nodeId);
+    return traceId;
+  },
+
+  /** @param {DataProvider} dp */
   getFirstTraceIdByRefId(dp, refId) {
     const dataNode = dp.indexes.dataNodes.byRefId.getFirst(refId);
     return dataNode?.traceId;
diff --git a/dbux-runtime/src/data/dataNodeCollection.js b/dbux-runtime/src/data/dataNodeCollection.js
index 99871ad3c..17c1e89ad 100644
--- a/dbux-runtime/src/data/dataNodeCollection.js
+++ b/dbux-runtime/src/data/dataNodeCollection.js
@@ -88,7 +88,18 @@ export class DataNodeCollection extends Collection {
     return writeNode;
   }
 
-  createDataNode(value, traceId, type, varAccess, inputs, meta = null) {
+  createRefDataNode(value, parentNodeId, propValue, refId) {
+    const { traceId } = this.getById(parentNodeId);
+    const type = DataNodeType.Write;
+    const varAccess = {
+      objectNodeId: parentNodeId,
+      prop: propValue
+    };
+    const inputs = null, meta = null;
+    return this.createDataNode(value, traceId, type, varAccess, inputs, meta, refId);
+  }
+
+  createDataNode(value, traceId, type, varAccess, inputs, meta = null, refId = null) {
     const dataNode = pools.dataNodes.allocate();
 
     dataNode.nodeId = this._all.length;
@@ -98,10 +109,13 @@ export class DataNodeCollection extends Collection {
 
     this.push(dataNode);
 
-    // valueRef
-    const valueRef = valueCollection.registerValueMaybe(value, dataNode, meta);
+    if (!refId) {
+      // valueRef
+      const valueRef = valueCollection.registerValueMaybe(value, dataNode, meta);
+      refId = valueRef?.refId || 0;
+    }
 
-    dataNode.refId = valueRef?.refId || 0;
+    dataNode.refId = refId;
     dataNode.varAccess = varAccess;
 
     if (Verbose) {
diff --git a/dbux-runtime/src/data/valueCollection.js b/dbux-runtime/src/data/valueCollection.js
index 75f417e31..13f21f282 100644
--- a/dbux-runtime/src/data/valueCollection.js
+++ b/dbux-runtime/src/data/valueCollection.js
@@ -541,7 +541,6 @@ class ValueCollection extends Collection {
    * @return {ValueRef}
    */
   _serialize(value, nodeId, depth = 1, category = null, meta = null) {
-    // let serialized = serialize(category, value, serializationLimits);
     let serialized;
     let pruneState = ValuePruneState.Normal;
     let typeName = '';
@@ -669,10 +668,10 @@ class ValueCollection extends Collection {
             // start serializing
             serialized = {};
 
-            const builtInSerializer = this.getBuiltInSerializer(value);
-            if (builtInSerializer) {
+            const serialize = this.getBuiltInSerializer(value);
+            if (serialize) {
               // serialize built-in types - especially: RegExp, Map, Set
-              builtInSerializer(value, nodeId, depth, serialized, valueRef, meta);
+              serialize(value, nodeId, depth, serialized, valueRef, meta);
             }
             else {
               // serialize object (default)
diff --git a/samples/__samplesInput__/json-parse1.js b/samples/__samplesInput__/json-parse1.js
new file mode 100644
index 000000000..d0daf46de
--- /dev/null
+++ b/samples/__samplesInput__/json-parse1.js
@@ -0,0 +1,7 @@
+var a = JSON.parse('[{ "x": 1 }, { "x": 2 }]');
+
+var b = a[0];
+var c = a[1];
+
+console.log(a[0], b, a);
+console.log(c);
\ No newline at end of file