diff --git a/hgext/children.py b/hgext/children.py
new file mode 100644
--- /dev/null
+++ b/hgext/children.py
@@ -0,0 +1,45 @@
+# Mercurial extension to provide the 'hg children' command
+#
+# Copyright 2007 by Intevation GmbH <intevation@intevation.de>
+# Author(s):
+# Thomas Arendsen Hein <thomas@intevation.de>
+#
+# This software may be used and distributed according to the terms
+# of the GNU General Public License, incorporated herein by reference.
+
+from mercurial import cmdutil, util
+from mercurial.i18n import _
+from mercurial.node import nullid
+
+
+def children(ui, repo, file_=None, **opts):
+    """show the children of the given or working dir revision
+
+    Print the children of the working directory's revisions.
+    If a revision is given via --rev, the children of that revision
+    will be printed. If a file argument is given, revision in
+    which the file was last changed (after the working directory
+    revision or the argument to --rev if given) is printed.
+    """
+    rev = opts.get('rev')
+    if file_:
+        ctx = repo.filectx(file_, changeid=rev)
+    else:
+        ctx = repo.changectx(rev)
+    if ctx.node() == nullid:
+        raise util.Abort(_("All non-merge changesets are children of "
+                           "the null revision!"))
+
+    displayer = cmdutil.show_changeset(ui, repo, opts)
+    for node in [cp.node() for cp in ctx.children()]:
+        displayer.show(changenode=node)
+
+
+cmdtable = {
+    "children":
+        (children,
+         [('r', 'rev', '', _('show children of the specified rev')),
+          ('', 'style', '', _('display using template map file')),
+          ('', 'template', '', _('display with template'))],
+         _('hg children [-r REV] [FILE]')),
+}