code: def find_family(self, pattern=r".*", flags=0, node=None):
          
  
          return [node for node in foundations.walkers.nodes_walker(node or self) if
                  re.search(pattern, node.family, flags)]
docs: Returns the Nodes from given family.
  
          :param pattern: Matching pattern.
          :type pattern: unicode
          :param flags: Matching regex flags.
          :type flags: int
          :param node: Node to start walking from.
          :type node: AbstractNode or AbstractCompositeNode or Object
          :return: Family nodes.
          :rtype: list