Please help me implement this tree:

I have a dictionary named relationdict mapping {child:parent} in the Kennedy family. They are represented by numbers: 0 is the oldest Kennedy, 39 the youngest. I have created a Node class for my tree successfully. It's:

class Node(object):
def __init__(self, name):
self.name = name
self.children = []
self.parent = None
for item in relationdict:
if relationdict[item] == self.name:
self.children.append(item)

I am having a lot of trouble implementing the tree. I can't seem to construct it out of my Node class.

Question

Please help me implement this tree:

I have a dictionary named relationdict mapping {child:parent} in the Kennedy family.  They are represented by numbers: 0 is the oldest Kennedy, 39 the youngest.  I have created a Node class for my tree successfully.  It's:

class Node(object):
 def __init__(self, name): 
   self.name = name
   self.children = []
   self.parent = None
   for item in relationdict:
       if relationdict[item] == self.name:
           self.children.append(item)

I am having a lot of trouble implementing the tree.  I can't seem to construct it out of my Node class.