diff --git a/user/super/com/google/gwt/emul/java/lang/Throwable.java b/user/super/com/google/gwt/emul/java/lang/Throwable.java
index 2a1bc67..fb7eddd 100644
--- a/user/super/com/google/gwt/emul/java/lang/Throwable.java
+++ b/user/super/com/google/gwt/emul/java/lang/Throwable.java
@@ -22,6 +22,7 @@
 import java.io.PrintStream;
 import java.io.Serializable;
 
+import javaemul.internal.JsUtils;
 import javaemul.internal.annotations.DoNotInline;
 
 import jsinterop.annotations.JsMethod;
@@ -146,6 +147,7 @@
   private void setBackingJsObject(Object backingJsObject) {
     this.backingJsObject = backingJsObject;
     linkBack(backingJsObject);
+    linkBackingCause();
   }
 
   private void linkBack(Object error) {
@@ -157,6 +159,13 @@
     }
   }
 
+  private void linkBackingCause() {
+    if (cause == null || !(backingJsObject instanceof NativeError)) {
+      return;
+    }
+    JsUtils.setProperty(backingJsObject, "cause", cause.backingJsObject);
+  }
+
   /**
    * Call to add an exception that was suppressed. Used by try-with-resources.
    */
@@ -242,6 +251,7 @@
     checkState(this.cause == null, "Can't overwrite cause");
     checkCriticalArgument(cause != this, "Self-causation not permitted");
     this.cause = cause;
+    linkBackingCause();
     return this;
   }
 
diff --git a/user/test/com/google/gwt/core/client/impl/StackTraceEmulTest.java b/user/test/com/google/gwt/core/client/impl/StackTraceEmulTest.java
index b15ce75..97e8978 100644
--- a/user/test/com/google/gwt/core/client/impl/StackTraceEmulTest.java
+++ b/user/test/com/google/gwt/core/client/impl/StackTraceEmulTest.java
@@ -67,7 +67,7 @@
     String[] methodNames = getTraceJava();
 
     StackTraceElement[] expectedTrace = new StackTraceElement[] {
-        createSTE(methodNames[0], "Throwable.java", 68),
+        createSTE(methodNames[0], "Throwable.java", 69),
         createSTE(methodNames[1], "Exception.java", 29),
         createSTE(methodNames[2], "StackTraceExamples.java", 57),
         createSTE(methodNames[3], "StackTraceExamples.java", 52),
diff --git a/user/test/com/google/gwt/emultest/java/lang/ThrowableTest.java b/user/test/com/google/gwt/emultest/java/lang/ThrowableTest.java
index 34b7da0..820eb3a 100644
--- a/user/test/com/google/gwt/emultest/java/lang/ThrowableTest.java
+++ b/user/test/com/google/gwt/emultest/java/lang/ThrowableTest.java
@@ -17,11 +17,11 @@
 
 import com.google.gwt.testing.TestUtils;
 
+import javaemul.internal.JsUtils;
+
 import jsinterop.annotations.JsType;
 
-/**
- * Unit tests for the GWT emulation of java.lang.Throwable class.
- */
+/** Unit tests for the GWT emulation of java.lang.Throwable class. */
 public class ThrowableTest extends ThrowableTestBase {
 
   @Override
@@ -113,6 +113,48 @@
     assertSame(e, javaNativeJavaSandwich(e));
   }
 
+  public void testLinkedBackingObjects() {
+    if (TestUtils.isJvm()) {
+      return;
+    }
+    Throwable rootCause = new Throwable("Root cause");
+    Throwable subError = new Throwable("Sub-error", rootCause);
+
+    Error backingError = (Error) catchNative(createThrower(subError));
+    Error rootBackingError = (Error) catchNative(createThrower(rootCause));
+    assertEquals(
+        "backingJsObject should have a cause linked to the parent backingJsObject",
+        rootBackingError,
+        JsUtils.getProperty(backingError, "cause"));
+  }
+
+  public void testLinkedBackingObjects_initCause() {
+    if (TestUtils.isJvm()) {
+      return;
+    }
+    Throwable rootCause = new Throwable("Root cause");
+    Throwable subError = new Throwable("Sub-error");
+    subError.initCause(rootCause);
+
+    Error backingError = (Error) catchNative(createThrower(subError));
+    Error rootBackingError = (Error) catchNative(createThrower(rootCause));
+    assertEquals(
+        "backingJsObject should have a cause linked to the parent backingJsObject",
+        rootBackingError,
+        JsUtils.getProperty(backingError, "cause"));
+  }
+
+  public void testLinkedBackingObjects_noCause() {
+    if (TestUtils.isJvm()) {
+      return;
+    }
+    Throwable subError = new Throwable("Sub-error");
+
+    Error backingError = (Error) catchNative(createThrower(subError));
+    assertNull(
+        "backingJsObject should have no linked cause", JsUtils.getProperty(backingError, "cause"));
+  }
+
   @JsType(isNative = true, namespace = "<window>")
   private static class Error { }
 }