diff --git a/ahnen.jpg b/ahnen.jpg
new file mode 100644
index 0000000..eb525cf
Binary files /dev/null and b/ahnen.jpg differ
diff --git a/geanology.rb b/geanology.rb
new file mode 100644
index 0000000..506db18
--- /dev/null
+++ b/geanology.rb
@@ -0,0 +1,31 @@
+class Node
+  attr_reader :style
+  attr_accessor :childs
+  def initialize(style)
+    @style = style
+    @childs = []
+  end
+end
+
+nodes = {}
+f = File.open("ahnen.dot.txt","r")
+f.each_line do |line|
+  case line
+       # Label1 -> Label1 [style...]
+  when /^\s*(\S+)\s*->\s*(\S+)\s*\[([^\]]+)\]/
+    parent, child, style = $1, $2, $3
+    if not nodes[child]
+      $stderr.puts("child not found '#{child}'")
+    elsif not nodes[parent]
+      $stderr.puts("parent not found '#{parent}'")
+    else
+      nodes[parent].childs << child
+    end
+       # Label [style...]
+  when /^\s*(\S+)\s+\[([^\]]+)\]/
+    node, style = $1, $2
+    nodes[node] = Node.new(style)
+  else
+    #print "ignore -> #{line}"
+  end
+end