@register.inclusion_tag('itags/sub_menu.html')
def get_submenu():	
	siblings = Page.get_all_siblings()
	#children = Page.objects.filter(parent=self.id)
	return {'siblings': siblings}
Show Siblings of the current page and all children
dataset/ETHPy150Open davemerwin/blue-channel/bluechannel/page/templatetags/page_tags.py/get_submenu